View source for Comparison of XMPP server software

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== Features==
The table below details the level of support for the requirements set by [https://xmpp.org/extensions/xep-0459.html XEP-0459: XMPP Compliance Suites 2022].
<!--
A brief list:

RFC 6120: XMPP Core
RFC 6121: XMPP IM	
RFC 7395: An Extensible Messaging and Presence Protocol (XMPP) Subprotocol for WebSocket
RFC 7590: TLS
XEP-0030: Service Discovery
XEP-0045: Multi-User Chat
XEP-0048: Bookmark Storage
XEP-0049: Private XML Storage
XEP-0054: vcard-temp
XEP-0114: Jabber Component Protocol
XEP-0115: Entity Capabilities	N/A
XEP-0124: Bidirectional-streams Over Synchronous HTTP (BOSH)
XEP-0153: vCard-Based Avatars 
XEP-0156: Discovering Alternative XMPP Connection Methods X
XEP-0163: Personal Eventing Protocol
XEP-0191: Blocking Command
XEP-0198: Stream Management
XEP-0206: XMPP over BOSH
XEP-0215: External Service Discovery
XEP-0223: Best Practices for Persistent Storage of Private Data via Publish-Subscribe
XEP-0249: Direct MUC Invitations
XEP-0280: Message Carbons
XEP-0313: Message Archive Management
XEP-0352: Client State Indication
XEP-0357: Push Notifications
XEP-0363: HTTP File Upload V
XEP-0368: SRV records for XMPP over TLS
XEP-0398: User Avatar to vCard-Based Avatars Conversion
XEP-0410: MUC Self-Ping (Schrödinger's Chat)
-->
===Core===
{| class="sortable wikitable" style="text-align: center; width: auto;"  
|-
! Servers
! XMPP Core <br /> ([https://datatracker.ietf.org/doc/html/rfc6120 RFC 6120])
! Use of TLS in XMPP <br /> ([https://datatracker.ietf.org/doc/html/rfc7590 RFC 7590])
! Service Discovery <br /> ([https://xmpp.org/extensions/xep-0030.html XEP-0030])
! Jabber Component Protocol <br /> ([https://xmpp.org/extensions/xep-0114.html XEP-0114])
! XMPP Subprotocol for WebSocket <br />([https://datatracker.ietf.org/doc/html/rfc7395 RFC 7395])
! XMPP Over BOSH ([https://xmpp.org/extensions/xep-0206.html XEP-0206])
! Bidirectional Streams over Synchronous HTTP (BOSH) <br /> ([https://xmpp.org/extensions/xep-0124.html XEP-0124])
! XMPP Instant Messaging and Presence <br /> ([https://datatracker.ietf.org/doc/html/rfc6121 RFC 6121])
! vcard-temp <br /> ([https://xmpp.org/extensions/xep-0054.html XEP-0054])
! Message Carbons <br /> ([https://xmpp.org/extensions/xep-0280.html XEP-0280])
|-
!XEP Status
!N/A
!N/A
!{{yes|Final}}
!{{yes|Active}}
!N/A
!{{yes|Stable}}
!{{yes|Stable}}
!N/A
!{{yes|Active}}
!{{yes|Stable}}
|-
| [[ejabberd]] || {{Yes}}<ref name="ejabberd-protocols"/> || {{unk}} || {{Yes}} || {{Yes}} || {{unk}} || {{yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}}
|-
| jabberd14 || {{unk}} || {{unk}} || {{Yes}}<ref name="jabberd14-features" /> || {{Yes}} || {{unk}} || {{unk}} || {{yes}} || {{unk}} || {{unk}} || {{unk}}
|-
| [[jabberd2]] || {{unk}} || {{unk}} || {{Yes}}<ref name="jabberd2-features" /> || {{Yes}} || {{unk}} || {{Yes}} || {{Yes}} || {{unk}} || {{Yes}} || {{unk}}
|-
| [[Metronome IM|Metronome]] || {{Yes}} || {{unk}} || {{Yes}}<ref name="metronome-features" /> || {{Yes}} || {{unk}} || {{Yes}} || {{Yes}} || {{unk}} || {{Yes}} || {{Yes}}
|-
| [[MongooseIM]] || {{Yes}}<ref name="Features and supported standards" /> || {{unk}} || {{Yes}}<ref name="M-Link-features" />|| {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}}
|-
| [[Openfire]] || {{Yes}}/Partial <ref name="OF-630">{{Cite web|url=https://issues.igniterealtime.org/browse/OF-630|title=[OF-630] RFC 6120 XMPP-Core compliance - IgniteRealtime JIRA|website=issues.igniterealtime.org}}</ref> || {{Yes}}<ref name="openfire-features" /> || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}}
|-
| [[Prosody (software)|Prosody]]|| {{Yes}} || {{unk}} || {{Yes}}<ref name="prosody-thorough" /> || {{yes}} || {{unk}} || {{yes}} || {{yes}} || {{unk}} || {{yes}} || {{yes}}
|-
| [[Tigase]] || {{Yes}}<ref name="tigase-features" /> || {{yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{unk}} || {{Yes}}
|-
! Interoperability compatibility || {{Percentage|6|8}} || {{Percentage|2|8}}|| {{Percentage|8|8}}|| {{Percentage|8|8}} || {{Percentage|3|8}} || {{Percentage|7|8}} || {{Percentage|8|8}} || {{Percentage|3|8}}|| {{Percentage|7|8}} || {{Percentage|5|8}}
|}
===Core (cont.)===
{| class="sortable wikitable" style="text-align: center; width: auto;"  
|-
! Servers
! Multi-User Chat <br /> ([https://xmpp.org/extensions/xep-0045.html XEP-0045])
! Direct MUC Invitations <br /> ([https://xmpp.org/extensions/xep-0249.html XEP-0249]){{Verify source|date=April 2022}}
! HTTP File Upload <br /> ([https://xmpp.org/extensions/xep-0363.html XEP-0363])
! Stream Management ([https://xmpp.org/extensions/xep-0198.html XEP-0198])
! Client State Indication ([https://xmpp.org/extensions/xep-0352.html XEP-0352])
! External Service Discovery ([https://xmpp.org/extensions/xep-0215.html XEP-0215])
|-
!XEP status
!{{yes|Stable}}
!{{yes|Stable}}
!{{yes|Stable}}
!{{yes|Stable}}
!{{yes|Stable}}
!{{okay|Deferred}}
|-
| ejabberd  || {{yes}} || {{unk}} || {{yes}} || {{yes}} || {{yes}} || {{yes}}
|-
| jabberd14 || {{yes}} || {{unk}} || {{unk}} || {{unk}} || {{unk}}
|-
| jabberd2 || {{yes2|Plug-in}} || {{unk}} || {{unk}} || {{yes}} || {{unk}} || {{unk}}
|-
| Metronome || {{yes}} || {{unk}} || {{yes}} || {{yes}} || {{yes}} || {{yes}}
|-
| MongooseIM || {{yes}} || {{unk}} || {{unk}} || {{yes}} || {{yes}} || {{unk}}
|-
| Openfire || {{yes}} || {{no}} || {{yes}} || {{yes}} || {{no}} || {{yes}}
|-
| Prosody || {{yes}} || {{yes}} || {{yes2|Plug-in}}<ref>{{cite web | url=https://prosody.im/doc/modules/mod_http_file_share | title=Mod_http_file_share – Prosody IM }}</ref> || {{yes2|Plug-in}} || {{yes2|Plug-in}}<ref>{{cite web | url=https://prosody.im/doc/modules/mod_csi | title=Mod_csi – Prosody IM }}</ref> || {{yes}}
|-
| Tigase  || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}}
|-
! Interoperability compatibility || {{Percentage|8|8}} || {{Percentage|2|8}}|| {{Percentage|5|8}}|| {{Percentage|7|8}} || {{Percentage|5|8}} || {{Percentage|5|8}} 
|}

===Advanced===
{| class="sortable wikitable" style="text-align: center; width: auto;"  
|-
! Servers
! SRV records for XMPP over TLS <br /> ([https://xmpp.org/extensions/xep-0368.html XEP-0368])
! Entity Capabilities <br /> ([https://xmpp.org/extensions/xep-0115.html XEP-0115]){{Verify source|date=April 2022}}
! Personal Eventing Protocol <br /> ([https://xmpp.org/extensions/xep-0163.html XEP-0163])
! User Avatar to vCard-Based Avatars Conversion <br /> ([https://xmpp.org/extensions/xep-0398.html XEP-0398])
! vCard-Based Avatars <br /> ([https://xmpp.org/extensions/xep-0153.html XEP-0153])
! Blocking Command <br /> ([https://xmpp.org/extensions/xep-0191.html XEP-0191])
! Bookmark Storage <br /> ([https://xmpp.org/extensions/xep-0048.html XEP-0048]){{Verify source|date=April 2022}}
! Message Archive Management <br /> ([https://xmpp.org/extensions/xep-0313.html XEP-0313])
! PEP Native Bookmarks <br /> ([https://xmpp.org/extensions/xep-0402.html XEP-0402])
! MUC Self-Ping (Schrödinger's Chat) <br /> ([https://xmpp.org/extensions/xep-0410.html XEP-0410])
|-
!XEP Status
!{{yes|Stable}}
!{{yes|Stable}}
!{{yes|Stable}}
!{{okay|Deferred}}
!{{yes|Active}}
!{{yes|Stable}}
!{{incorrect|Deprecated}}
!{{yes|Stable}}
!{{yes|Stable}}
!{{yes|Stable}}
|-
| ejabberd || {{unk}} || {{yes}} || {{yes}} || {{unk}} || {{yes}} || {{yes}} || {{unk}} || {{yes}} || {{unk}} || {{yes}}
|-
| jabberd14  || {{unk}} || {{yes}} || {{unk}} || {{unk}} || {{unk}} || {{unk}} || {{yes}} || {{unk}} || {{unk}} || {{unk}}
|-
| jabberd2 || {{unk}} || {{unk}} || {{unk}} || {{unk}} || {{yes}} || {{yes}} || {{yes}} || {{unk}} || {{unk}} || {{unk}}
|-
| Metronome || {{yes}} || {{yes}} || {{yes}} || {{yes}} || {{yes}} || {{yes}} || {{yes}} || {{unk}} || {{unk}} || {{unk}}
|-
| MongooseIM || {{unk}} || {{unk}} || {{yes}} || {{unk}} || {{unk}} || {{unk}} || {{unk}} || {{yes}} || {{unk}} || {{unk}}
|-
| Openfire || {{yes}} || {{yes}} || {{yes}} || {{yes}} || {{yes2|Plug-in}} || {{yes}} || {{yes2|Plug-in}} || {{yes2|Plug-in}} || {{unk}} || {{yes}}
|-
| Prosody || {{unk}} || {{yes}} || {{yes}} || {{yes2|Plug-in}}<ref>{{cite web | url=https://prosody.im/doc/modules/mod_vcard_legacy | title=Mod_vcard_legacy – Prosody IM }}</ref> || {{yes}} || {{yes}} || {{yes}} || {{yes}} || {{yes}} || {{yes}}
|-
| Tigase  || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{Yes}} || {{unk}} || {{unk}}
|-
! Interoperability compatibility || {{Percentage|3|8}} || {{Percentage|6|8}}|| {{Percentage|6|8}}|| {{Percentage|4|8}} || {{Percentage|6|8}} || {{Percentage|6|8}} || {{Percentage|6|8}} || {{Percentage|5|8}}|| {{Percentage|1|8}} || {{Percentage|3|8}}
|}

===Advanced (cont.)===
{| class="sortable wikitable" style="text-align: center; width: auto;"  
|-
! Servers
! Best Practices for Persistent Storage of Private Data via Publish-Subscribe <br /> ([https://xmpp.org/extensions/xep-0223.html XEP-0223])
! Private XML Storage <br /> ([https://xmpp.org/extensions/xep-0049.html XEP-0049])
! Push Notifications <br /> ([https://xmpp.org/extensions/xep-0357.html XEP-0357])
|-
!XEP status
!{{yes|Active}}
!{{yes|Active}}
!{{okay|Deferred}}
|-
| ejabberd || {{yes}} || {{yes}} || {{yes2|Contribution module}}
|-
| jabberd14  || {{unk}} || {{yes}} || {{unk}}
|-
| jabberd2 || {{unk}} || {{yes}} || {{unk}}
|-
| Metronome || {{yes}} || {{yes}} || {{yes}}
|-
| MongooseIM || {{unk}} || {{yes}} || {{unk}}
|-
| Openfire || {{yes2|plug-in}} || {{yes}} || {{yes2|plug-in}}
|-
| Prosody || {{yes}} || {{yes}}<ref>{{cite web | url=https://prosody.im/doc/xeplist | title=XMPP Extensions (XEPs) supported in Prosody – Prosody IM }}</ref> || {{yes2|Community Module}}<ref>{{cite web | url=https://modules.prosody.im/xeps.html | title=Prosody Community Modules }}</ref>
|-
| Tigase  || {{Yes}} || {{Yes}} || {{Yes}}
|-
! Interoperability compatibility || {{Percentage|5|8}} || {{Percentage|8|8}}|| {{Percentage|5|8}}
|}

==Summary==
Compliance status of XMPP servers, with RFCs/XEPs
{| class="wikitable sortable" 
|-
! Server
! Compliance
|-
| ejabberd || {{Percentage|22|29}}
|-
| jabberd14 || {{Percentage|6|29}}
|-
| jabberd2 || {{Percentage|10|29}}
|-
| Metronome || {{Percentage|22|29}}
|-
| MongooseIM || {{Percentage|12|29}}
|-
| Openfire || {{Percentage|26|29}}
|-
| Prosody || {{Percentage|20|29}}
|-
| Tigase || {{Percentage|25|29}}
|}

==List of other RFCs/XEPs Supported==
The table below lists all other XEPs supported by XMPP servers. XEPs that only require client-side support are omitted.
=== Comparison by RFC implementation status ===
{| class="sortable wikitable" style="text-align: center; width: auto;"  
|-
! RFC
! Description
! Status
! ejabberd
! [[Messages Server|iChat Server]]
! jabberd14
! jabberd2
! Metronome
! MongooseIM
! Openfire
! Prosody
! [[Sun Java System Communications Suite|Sun Java System Instant Messaging Server]]
! Tigase
|-
| RFC 3920
| XMPP Core
| {{incorrect|Obsolete}}
| {{Yes}}<ref name="ejabberd-features">{{cite web |url=http://www.ejabberd.im/features |title=ejabberd 2.1.11 Features &#124; ejabberd Community Site |website=ejabberd.im |accessdate=2013-07-17}}</ref>
| {{unk}}
| {{Yes}}<ref name="jabberd14-features">{{cite web |url=http://lists.xmppd.org/pipermail/dev/2007-July/000094.html |archiveurl=https://web.archive.org/web/20120208052942/http://lists.xmppd.org/pipermail/dev/2007-July/000094.html |archivedate=2012-02-08 |title=[xmppd-dev] updated jabberd14 v1.6.x README.protocols file (links for add-ons)}}</ref>
| {{Yes}}<ref name="jabberd2-features">{{cite web |url=http://codex.xiaoka.com/wiki/jabberd2:features |title=Xiaoka - making.your.metal.fly |website=codex.xiaoka.com |accessdate=2013-07-17 |archive-url=https://web.archive.org/web/20130226185318/http://codex.xiaoka.com/wiki/jabberd2:features |archive-date=2013-02-26 |url-status=dead }}</ref>
| {{unk}}
| {{Yes}}<ref name="Features and supported standards">{{cite web |url=https://mongooseim.readthedocs.io/en/latest/user-guide/Features-and-supported-standards
|title=Features and supported standards|website=mongooseim.readthedocs.io|accessdate=2019-01-17}}</ref>
| {{Yes}}<ref name="openfire-features">{{cite web |url=http://www.igniterealtime.org/builds/openfire/docs/latest/documentation/protocol-support.html |title=Openfire: Protocol Support |website=igniterealtime.org |accessdate=2013-07-17}}</ref>
| {{Yes}}
| {{unk}}
| {{Yes}}<ref name="tigase-features">{{cite web |url=https://docs.tigase.net/tigase-server/8.0.0/Administration_Guide/html/#features |title=Tigase XMPP Server 8.0.0 server features |website=tigase.org |accessdate=2018-02-27}}</ref>
|-
| RFC 3921
| XMPP IM
| {{incorrect|Obsolete}}
| {{Yes}}<ref name="ejabberd-features" />
| {{unk}}
| {{Yes}}<ref name="jabberd14-features" />
| {{Yes}}<ref name="jabberd2-features" />
| {{unk}}
| {{Yes}}<ref name="Features and supported standards" />
| {{Yes}}<ref name="openfire-features" />
| {{Yes}}
| {{unk}}
| {{Yes}}<ref name="tigase-features" />
|-
| RFC 3922
| XMPP CPIM
| {{Yes|Final}}<ref name="xsf-rfc">{{cite web |url=https://xmpp.org/extensions/index.html |title=Specifications |website= xmpp.org |date=September 2016 |accessdate=2016-09-22}}</ref>
| {{Yes}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="Features and supported standards" />
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
|-
| RFC 3923
| XMPP E2E
| {{Yes|Final}}<ref name="xsf-rfc"/>
| {{Yes}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
|-
| RFC 4854
| XMPP URN
| {{okay|Informational}}<ref name="xsf-rfc"/>
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
|-
| RFC 4979
| XMPP ENUM
| {{Yes|Final}}<ref name="xsf-rfc"/>
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
|-
| RFC 5122
| XMPP URI
| {{Yes|Final}}<ref name="xsf-rfc"/>
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
|-
| RFC 6122
| XMPP AF
| {{incorrect|Obsolete}}
| {{Yes}}<ref name="ejabberd-protocols"/>
| {{Yes}}
| {{unk}}
| {{unk}}
| {{Yes}}
| {{Yes}}<ref name="Features and supported standards" />
| {{Yes}}<ref name="Openfire-Protocol-Support">{{cite web |url=http://download.igniterealtime.org/openfire/docs/latest/documentation/protocol-support.html |title=Openfire Protocol Support |accessdate=2018-09-19}}</ref>
| {{Yes}}
| {{unk}}
| {{Yes}}<ref name="tigase-features" />
|-
| RFC 7622
| XMPP AF
| {{Yes|Final}}<ref name="xsf-rfc"/>
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
|}

=== Comparison by XEP implementation status ===
{| class="sortable wikitable" style="text-align: center; width: auto;" 
|-
! XEP
! Description
! Status
! ejabberd
! iChat Server
! jabberd14
! jabberd2
! Metronome
! [[Isode M-Link]]
! MongooseIM
! Openfire
! Prosody
! Tigase
|-
| [http://xmpp.org/extensions/xep-0004.html 0004]
| Data Forms
| {{Yes|Final}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features">[https://metronome.im/supported-xeps-list Server-side Extensions Supported in Metronome]. Retrieved on 2018-03-06.</ref>
| {{Yes}}<ref name="M-Link-features">{{cite web |url=http://www.isode.com/products/m-link-standards.html |title=M-Link Standards Conformance |author=Isode Ltd |accessdate=2013-11-07}}</ref>
| {{Yes}}
| {{Yes}}<ref name="openfire-features" />
| {{Yes}}<ref name="prosody-thorough">[http://prosody.im/doc/xeplist XMPP Extensions (XEPs) supported in Prosody]. Prosody.im (2013-05-29). Retrieved on 2013-07-17.</ref>
| {{Yes}}<ref name="tigase-features" /><ref>Exists as API on the server side</ref>
|-
| [http://xmpp.org/extensions/xep-0009.html 0009]
| Jabber RPC
| {{Yes|Final}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{unk}}
| {{No}}
| {{No}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}
|-
| [http://xmpp.org/extensions/xep-0012.html 0012]
| Last Activity
| {{Yes|Final}}
| {{Yes}}<ref name="ejabberd-protocols">[http://www.ejabberd.im/protocols Protocols Implementation | ejabberd Community Site]. Ejabberd.im (2010-08-03). Retrieved on 2013-07-17.</ref>
| {{unk}}
| {{Yes}}<ref name="jabberd14-features" />
| {{Yes}}<ref name="jabberd2-features">[https://github.com/jabberd2/jabberd2/blob/master/README.protocol]. Jabberd2 README.protocol. Retrieved on 2014-02-27.</ref>
| {{Yes}}<ref name="metronome-features" />
| {{Yes}}<ref name="M-Link-features" />
| {{Yes}}
| {{Yes}}<ref name="openfire-features" />
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0013.html 0013]
| Flexible offline message retrieval
| {{Yes|Stable}}
| {{No}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{Yes}}<ref name="jabberd14-features" />
| {{No}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{Yes}}<ref name="openfire-features" />
| {{No}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0016.html 0016]
| Privacy Lists
| {{incorrect|Deprecated}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{Yes}}<ref name="jabberd14-features" />
| {{Yes}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{Yes}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough"/>
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0018.html 0018]
| Invisible Presence
| {{incorrect|Rejected}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{Yes}}<ref name="jabberd14-features" />
| {{No}}<ref name="jabberd2-features" />
| {{No}}
| {{No}}
| {{Yes}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0020.html 0020]
| Feature negotiation
| {{incorrect|Deprecated}}
| {{Yes}}<ref name="process-one">{{cite web |url=http://www.process-one.net/en/ejabberd/protocols |title=ejabberd supported protocols |author=ProcessOne |date=2013-06-28 |accessdate=2013-07-17}}</ref>
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{unk}}
| {{No}}
| {{No}}
| {{No}}<ref name="openfire-features" />
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0022.html 0022]
| Message Events
| {{incorrect|Obsolete}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{Yes}}<ref name="jabberd14-features" />
| {{Yes}}<ref name="jabberd2-features" />
| {{unk}}
| {{No}}
| {{Yes}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0023.html 0023]
| Message Expiration
| {{incorrect|Obsolete}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{Yes}}<ref name="jabberd14-features" />
| {{Yes}}<ref name="jabberd2-features" />
| {{unk}}
| {{No}}
| {{Yes}}
| {{unk}}
| {{unk}}
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0025.html 0025]
| HTTP Polling
| {{incorrect|Obsolete}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{No}}<ref name="prosody-thorough" />
| {{No}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0033.html 0033]
| Extended Stanza Addressing
| {{Yes|Stable}}
| {{Yes}}<ref name="ejabberd-protocols" /><ref>[https://support.process-one.net/browse/EJAB-265 [#EJAB-265&#93; Service for XEP-0033: Extended Stanza Addressing - ProcessOne - Support]. Support.process-one.net. Retrieved on 2013-07-17.</ref>
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{Yes}}<ref name="openfire-features" />
| {{Partial|Partial<br/>Contrib.}}<ref name="prosody-thorough" /><ref name="prosody-mod-addressing">{{Cite web|url=http://modules.prosody.im/mod_addressing.html|title=mod_addressing - Prosody Community Modules|website=modules.prosody.im}}</ref>
| {{No}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0039.html 0039]
| Statistics Gathering (deferred)
| {{okay|Deferred}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0047.html 0047]
| In-Band Bytestreams
| {{Yes|Final}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{unk}}
| {{No}}
| {{Yes}}
| {{Yes}}<ref name="openfire-features" />
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0050.html 0050]
| Ad-Hoc Commands
| {{Yes|Stable}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{Yes}}<ref name="M-Link-features" />
| {{Yes}}
| {{Yes}}<ref name="openfire-features" />
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
! XEP
! Description
! Status
! ejabberd
! iChat Server
! jabberd14
! jabberd2
! Metronome
! Isode M-Link
! MongooseIM
! Openfire
! Prosody
! Tigase
|-
| [http://xmpp.org/extensions/xep-0055.html 0055]
| Jabber Search
| {{incorrect|Historical Use}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{Yes}}<ref name="M-Link-features" />
| {{Yes}}
| {{Yes}}<ref name="openfire-features" /><ref>Provided by [http://www.igniterealtime.org/projects/openfire/plugins.jsp search plugin]</ref>
| {{No}}<ref name="prosody-thorough" />
| {{unk}}
|-
| [http://xmpp.org/extensions/xep-0059.html 0059]
| Result set management
| {{Yes|Stable}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{Partial}}<ref name="metronome-features" />
| {{No}}
| {{Yes}}
| {{Yes}}<ref name="openfire-features" />
| {{No}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0060.html 0060]
| Publish-Subscribe
| {{Yes|Stable}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| Contrib.<ref name="jabberd14-features" /><ref>[http://idavoll.ik.nu/ Idavoll] {{webarchive|url=https://web.archive.org/web/20110518144256/http://idavoll.ik.nu/ |date=2011-05-18 }}. Idavoll (2011-02-13). Retrieved on 2013-07-17.</ref>
| {{No}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{Yes}}<ref name="M-Link-features" />
| {{Yes}}
| {{Yes}}<ref name="openfire-features" />
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0065.html 0065]
| SOCKS5 Bytestreams
| {{Yes|Stable}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| Contrib.<ref name="jabberd14-features" /><ref>[https://code.google.com/p/proxy65/ proxy65 - A SOCKS5 Bytestreams proxy for use in Jabber/XMPP file transfer. - Google Project Hosting]. Code.google.com. Retrieved on 2013-07-17.</ref>
| {{No}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{Yes}}<ref name="openfire-features" />
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0066.html 0066]
| Out of Band Data
| {{Yes|Stable}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{unk}}
| {{No}}
| {{Yes}}
| {{unk}}
| {{Yes}}
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0068.html 0068]
| Field Standardization for Data Forms
| {{Yes|Approved}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{unk}}
| {{Yes}}<ref name="M-Link-features" />
| {{Yes}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0070.html 0070]
| Verifying HTTP Requests via XMPP
| {{Yes|Stable}}
| {{No}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{No}}<ref name="prosody-thorough" />
| {{No}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0073.html 0073]
| Basic IM Protocol Suite
| {{incorrect|Obsolete}}
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="jabberd14-features" />
| {{Yes}}<ref name="jabberd2-features" />
| {{Yes}}
| {{No}}
| {{Yes}}
| {{Yes}}<ref name="openfire-features"/>
| {{Yes}}
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0077.html 0077]
| In-Band Registration
| {{Yes|Final}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{Yes}}<ref name="jabberd14-features" />
| {{Yes}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{Yes}}<ref name="M-Link-features" />
| {{Yes}}
| {{Yes}}<ref name="openfire-features" />
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0078.html 0078]
| Non-SASL Authentication
| {{incorrect|Obsolete}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{Yes}}<ref name="jabberd14-features" />
| {{Yes}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{Yes}}<ref name="M-Link-features" />
| {{Yes}}
| {{Yes}}<ref name="openfire-features" />
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0079.html 0079]
| Advanced Message Processing
| {{Yes|Stable}}
| Contrib.<ref name="ejabberd-protocols" /><ref>[https://support.process-one.net/browse/EJAB-449 [#EJAB-449&#93; Support for XEP-0079: Advanced Message Processing - ProcessOne - Support]. Support.process-one.net. Retrieved on 2013-07-17.</ref>
| Contrib.<ref name="ejabberd-protocols" />
| {{unk}}
| {{yes}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{Partial|Yes, partial}}
| {{unk}}
| {{No}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0080.html 0080]
| User Location
| {{Yes|Stable}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{no}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{Yes}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0082.html 0082]
| XMPP Date and Time Profiles
| {{Yes|Approved}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{Yes}}<ref name="M-Link-features" />
| {{Yes}}
| {{Yes}}<ref name="openfire-features" />
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0083.html 0083]
| Nested Roster Groups
| {{Yes|Approved}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{Yes}}<ref name="jabberd14-features" />
| {{Yes}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{Yes}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0084.html 0084]
| User Avatar
| {{Yes|Stable}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0085.html 0085]
| Chat State Notifications
| {{Yes|Final}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{Yes}}
| {{No}}
| {{Yes}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0086.html 0086]
| Error Condition Mappings
| {{incorrect|Deprecated}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{Yes}}<ref name="jabberd14-features" />
| {{Yes}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{Yes}}
| {{Yes}}<ref name="openfire-features" />
| {{No}}
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0090.html 0090]
| Legacy Entity Time
| {{incorrect|Obsolete}}
| {{Yes}}<ref name="ejabberd-protocols" /><ref name="ReferenceA">[https://support.process-one.net/browse/EJAB-849 [#EJAB-849&#93; Remove support of the deprecated XEP-0090: Entity Time and XEP-0091: Delayed Delivery - ProcessOne - Support]. Support.process-one.net. Retrieved on 2013-07-17.</ref>
| {{unk}}
| {{Yes}}<ref name="jabberd14-features" />
| {{Yes}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{Yes}}<ref name="openfire-features" />
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
! XEP
! Description
! Status
! ejabberd
! iChat Server
! jabberd14
! jabberd2
! Metronome
! Isode M-Link
! MongooseIM
! Openfire
! Prosody
! Tigase
|-
| [http://xmpp.org/extensions/xep-0091.html 0091]
| Legacy Delayed Delivery
| {{incorrect|Obsolete}}
| {{Yes}}<ref name="ejabberd-protocols" /><ref name="ReferenceA" />
| {{unk}}
| {{Yes}}<ref name="jabberd14-features" />
| {{Yes}}<ref name="jabberd2-features" />
| {{Yes}}
| {{Yes}}<ref name="M-Link-features" />
| {{No}}
| {{Yes}}<ref name="openfire-features" />
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0092.html 0092]
| Software Version
| {{Yes|Stable}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{Yes}}<ref name="jabberd14-features" />
| {{Yes}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{Yes}}<ref name="M-Link-features" />
| {{No}}
| {{Yes}}<ref name="openfire-features" />
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0093.html 0093]
| Roster Item Exchange
| {{incorrect|Deprecated}}
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="jabberd14-features" />
| {{Yes}}<ref name="jabberd2-features" />
| {{unk}}
| {{No}}
| {{Yes}}
| {{unk}}
| {{No}}
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0095.html 0095]
| Stream Initiation
| {{incorrect|Deprecated}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{unk}}
| {{No}}
| {{Yes}}
| {{unk}}
| {{No}}
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0096.html 0096]
| SI File Transfer
| {{incorrect|Deprecated}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{unk}}
| {{No}}
| {{Yes}}
| {{Yes}}<ref name="openfire-features" />
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0106.html 0106]
| JID Escaping
| {{Yes|Stable}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{Yes}}
| {{No}}
| {{Yes}}
| {{Yes}}<ref name="openfire-features" />
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0107.html 0107]
| User Mood
| {{Yes|Stable}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0108.html 0108]
| User Activity
| {{Yes|Stable}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0118.html 0118]
| User Tune
| {{Yes|Stable}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0122.html 0122]
| Data Forms Validation
| {{Yes|Stable}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{Yes}}
| {{No}}
| {{Yes}}<ref name="prosody-thorough"/>
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0126.html 0126]
| Invisibility
| {{Yes|Approved}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{Yes}}
| {{Yes}}<ref name="openfire-features" />
| {{Yes}}<ref name="prosody-thorough" />
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0128.html 0128]
| Service Discovery Extensions
| {{Yes|Approved}}
| {{No}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{Yes}}<ref name="M-Link-features" />
| {{No}}
| {{Yes}}<ref name="openfire-features" />
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0130.html 0130]
| Waiting Lists
| {{incorrect|Deprecated}}
| {{No}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{No}}<ref name="prosody-thorough" />
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0131.html 0131]
| Stanza Headers and Internet Metadata
| {{Yes|Stable}}
| {{No}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{unk}}
| {{Yes}}<ref name="M-Link-features" />
| {{No}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0133.html 0133]
| Service Administration
| {{Yes|Approved}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{Yes}}<ref name="M-Link-features" />
| {{No}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0136.html 0136]
| Message Archiving
| {{incorrect|Deprecated}}
| Contrib.<ref name="ejabberd-protocols" /><ref>[http://www.ejabberd.im/mod_archive mod_archive - Message Archiving (XEP-0136) | ejabberd Community Site]. Ejabberd.im. Retrieved on 2013-07-17.</ref>
| {{unk}}
| Contrib.<ref name="jabberd14-features" /><ref>{{cite web |url=http://zeank.in-berlin.de/datasink/ |title=A little bit of zeank » Datasink |accessdate=2011-06-05 |url-status=dead |archiveurl=https://web.archive.org/web/20080525133912/http://zeank.in-berlin.de/datasink/ |archivedate=2008-05-25 }}</ref>
| {{No}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{Yes}}/Plugin<ref>{{Cite web|url=http://www.igniterealtime.org/projects/openfire/plugins/monitoring/readme.html|title=Monitoring Plugin Readme|website=www.igniterealtime.org}}</ref>
| Contrib.<ref>{{Cite web|url=http://modules.prosody.im/mod_mam_archive.html|title=mod_mam_archive - Prosody Community Modules|website=modules.prosody.im}}</ref>
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0137.html 0137]
| Publishing SI Requests
| {{incorrect|Deprecated}}
| {{No}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{Yes}}
| {{No}}
| {{No}}
| {{unk}}
| {{No}}
| {{No}}
|-
! XEP
! Description
! Status
! ejabberd
! iChat Server
! jabberd14
! jabberd2
! Metronome
! Isode M-Link
! MongooseIM
! Openfire
! Prosody
! Tigase
|-
| [http://xmpp.org/extensions/xep-0138.html 0138]
| Stream Compression
| {{Yes|Final}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{Yes}}<ref name="M-Link-features" />
| {{Yes}}
| {{Yes}}<ref name="openfire-features" />
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0148.html 0148]
| Instant Messaging Intelligence Quotient
| Humorous
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| unfinished<br/>{{Citation needed|date=September 2013}}
| {{No}}
| {{No}}
| {{unk}}
| experimental<br/>{{Citation needed|date=November 2010}}
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0154.html 0154]
| User Profile
| {{okay|Deferred}}
| Contrib.<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{No}}<ref name="prosody-thorough" />
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0157.html 0157]
| Contact Addresses for XMPP Services
| {{Yes|Approved}}
| {{Yes}}<ref name="ejabberd-protocols" /><ref>{{Cite web|url=https://support.process-one.net/browse/EJAB-235|title=[EJAB-235] Add support for XEP-0157: Contact Addresses for XMPP Services - ProcessOne - Support|website=support.process-one.net}}</ref>
| {{unk}}
| {{Yes}}<ref name="jabberd14-features" />
| {{Yes}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{Yes}}
| {{unk}}
| Contrib.<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0158.html 0158]
| CAPTCHA Forms
| {{Yes|Stable}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{No}}<ref name="prosody-thorough" />
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0159.html 0159]
| Spim-Blocking Control
| {{okay|Deferred}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{No}}<ref name="prosody-thorough" />
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0160.html 0160]
| Best Practices for Handling Offline Messages
| {{Yes|Approved}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{Yes}}<ref name="jabberd14-features" />
| {{Yes}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{Yes}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0161.html 0161]
| Abuse Reporting
| {{okay|Deferred}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{No}}<ref name="prosody-thorough" />
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0168.html 0168]
| Resource Application Priority
| {{okay|Deferred}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{No}}<ref name="prosody-thorough" />
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0170.html 0170]
| Recommended Order of Stream Feature Negotiation
| {{Yes|Approved}}
| {{Yes}}<ref name="ejabberd-protocols" /><ref>{{Cite web|url=https://support.process-one.net/browse/EJAB-499|title=[EJAB-499] Support Zlib compression after STARTTLS encryption - ProcessOne - Support|website=support.process-one.net}}</ref>
| {{Yes}}<ref name="ejabberd-protocols" />
| {{Yes}}<ref name="jabberd14-features" />
| {{Yes}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{Yes}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0171.html 0171]
| Language Translation
| {{Yes|Stable}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0172.html 0172]
| User Nickname
| {{Yes|Stable}}
| {{No}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0175.html 0175]
| Best Practices for Use of SASL ANONYMOUS
| {{Yes|Approved}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{Yes}}
| {{Yes}}<ref name="openfire-features" />
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0176.html 0176]
| Jingle ICE-UDP Transport Method
| {{Yes|Stable}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{unk}}
| {{No}}
| {{No}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0178.html 0178]
| Best Practices for Use of SASL EXTERNAL with Certificates
| {{Yes|Approved}}
| {{No}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{Yes}}<ref name="jabberd14-features" />
| {{Yes}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0182.html 0182]
| Application-Specific Error Conditions
| {{Yes|Approved}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{No}}
|-
! XEP
! Description
! Status
! ejabberd
! iChat Server
! jabberd14
! jabberd2
! Metronome
! Isode M-Link
! MongooseIM
! Openfire
! Prosody
! Tigase
|-
| [http://xmpp.org/extensions/xep-0184.html 0184]
| Message Delivery Receipts
| {{Yes|Stable}}
| {{No}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}<ref name="jabberd14-features" />
| {{unk}}<ref name="jabberd2-features" />
| {{unk}}
| {{No}}
| {{Yes}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0185.html 0185]
| Dialback Key Generation and Validation
| {{Yes|Approved}}
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="jabberd14-features" />
| {{Yes}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{Yes}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0189.html 0189]
| Public Key Publishing
| {{okay|Deferred}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0190.html 0190]
| Best Practice for Closing Idle Streams
| {{incorrect|Obsolete}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0192.html 0192]
| Proposed Stream Feature Improvements
| {{incorrect|Obsolete}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
|-
| [http://xmpp.org/extensions/xep-0193.html 0193]
| Proposed Resource Binding Improvements
| {{incorrect|Obsolete}}
| Contrib.<ref name="ejabberd-protocols" /><ref>{{Cite web|url=https://support.process-one.net/browse/EJAB-430|title=[EJAB-430] Support for XEP-0193: Proposed Resource Binding Improvements - ProcessOne - Support|website=support.process-one.net}}</ref>
| Contrib.<ref name="ejabberd-protocols" />
| {{unk}}
| {{Yes}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
|-
| [http://xmpp.org/extensions/xep-0194.html 0194]
| User Chatting
| {{okay|Deferred}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{unk}}
|-
| [http://xmpp.org/extensions/xep-0195.html 0195]
| User Browsing
| {{okay|Deferred}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{unk}}
|-
| [http://xmpp.org/extensions/xep-0199.html 0199]
| XMPP Ping
| {{Yes|Final}}
| {{Yes}}<ref name="ejabberd-protocols" /><ref>{{Cite web|url=https://support.process-one.net/browse/EJAB-974|title=[EJAB-974] ejabberd module for xmpp ping support - ProcessOne - Support|website=support.process-one.net}}</ref>
| {{Yes}}<ref name="ejabberd-protocols" />
| {{Yes}}<ref name="jabberd14-features" />
| {{Yes}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{Yes}}<ref name="M-Link-features" />
| {{Yes}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0202.html 0202]
| Entity Time
| {{Yes|Final}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{Yes}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0203.html 0203]
| Delayed Delivery
| {{Yes|Final}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{Yes}}<ref name="M-Link-features" />
| {{Yes}}
| {{Yes}}<ref name="openfire-features" />
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0205.html 0205]
| Best Practices to Discourage Denial of Service Attacks
| {{Yes|Approved}}
| {{Partial}}<ref name="ejabberd-protocols" />
| {{Yes}}
| {{unk}}
| {{Yes}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{Partial}}
| {{unk}}
| {{No}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0209.html 0209]
| Metacontacts
| {{okay|Deferred}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{Yes}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0212.html 0212]
| XMPP Basic Server 2008
| {{incorrect|Obsolete}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="jabberd2-features" />
| {{unk}}
| {{Yes}}<ref name="M-Link-features" />
| {{Yes}}
| {{unk}}
| {{Yes}}
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0214.html 0214]
| File Repository and Sharing
| {{okay|Deferred}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{No}}<ref name="prosody-thorough" />
| {{unk}}
|-
| [http://xmpp.org/extensions/xep-0216.html 0216]
| XMPP Intermediate IM Server 2008
| {{incorrect|Obsolete}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="jabberd2-features" />
| {{unk}}
| {{No}}
| {{Yes}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0220.html 0220]
| Server Dialback
| {{Yes|Stable}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{Yes}}<ref name="M-Link-features" />
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
! XEP
! Description
! Status
! ejabberd
! iChat Server
! jabberd14
! jabberd2
! Metronome
! Isode M-Link
! MongooseIM
! Openfire
! Prosody
! Tigase
|-
| [http://xmpp.org/extensions/xep-0221.html 0221]
| Data Forms Media Element
| {{Yes|Stable}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0225.html 0225]
| Component Connections
| {{okay|Deferred}}
| {{No}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{No}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0227.html 0227]
| Portable Import/Export Format for XMPP-IM Servers (proposed)
| {{Yes|Stable}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{Yes}}<ref name="M-Link-features" />
| {{No}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0230.html 0230]
| Service Discovery Notifications
| {{okay|Deferred}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{No}}<ref name="prosody-thorough" />
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0232.html 0232]
| Software Information
| {{okay|Deferred}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{No}}<ref name="prosody-thorough" />
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0233.html 0233]
| Use of Domain-Based Service Names in XMPP SASL Negotiation
| {{Yes|Stable}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{No}}<ref name="prosody-thorough" />
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0235.html 0235]
| OAuth Over XMPP
| {{okay|Deferred}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{No}}<ref name="prosody-thorough" />
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0236.html 0236]
| Abuse Reporting
| {{dropped|Retracted}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{No}}<ref name="prosody-thorough" />
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0237.html 0237]
| Roster Versioning
| {{incorrect|Obsolete}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{Yes}}<ref name="M-Link-features" />
| {{Yes}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0238.html 0238]
| XMPP Protocol Flows for Inter-Domain Federation
| {{okay|Deferred}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="jabberd2-features" />
| {{unk}}
| {{No}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
|-
| [http://xmpp.org/extensions/xep-0241.html 0241]
| Encryption of Archived Messages
| {{okay|Deferred}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{No}}<ref name="prosody-thorough" />
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0243.html 0243]
| XMPP Server Compliance 2009
| {{incorrect|Obsolete}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="jabberd2-features" />
| {{Yes}}
| {{Yes}}<ref name="M-Link-features" />
| {{Yes}}
| {{unk}}
| {{Yes}}<ref name="prosody-thorough" />
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0248.html 0248]
| PubSub Collection Nodes
| {{okay|Deferred}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{No}}<ref name="prosody-thorough" />
| {{Partial}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0252.html 0252]
| BOSH Script Syntax
| {{okay|Deferred}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{No}}<ref name="prosody-thorough" />
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0253.html 0253]
| PubSub Chaining
| {{okay|Deferred}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{No}}<ref name="prosody-thorough" />
| {{Partial}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0254.html 0254]
| PubSub Queueing
| {{okay|Deferred}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{No}}<ref name="prosody-thorough" />
| {{unk}}
|-
| [http://xmpp.org/extensions/xep-0255.html 0255]
| Location Query
| {{okay|Deferred}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{No}}
| {{No}}
| {{No}}
| {{unk}}
| {{No}}<ref name="prosody-thorough" />
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0256.html 0256]
| Last Activity in Presence
| {{Yes|Stable}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="prosody-thorough" />
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0257.html 0257]
| Client Certificate Management for SASL EXTERNAL
| {{okay|Deferred}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| Contrib.<ref name="prosody-thorough" />
| {{unk}}
|-
| [http://xmpp.org/extensions/xep-0258.html 0258]
| Security Labels in XMPP
| {{Yes|Stable}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="metronome-features" />
| {{Yes}}<ref name="M-Link-features" />
| {{No}}
| {{unk}}
| Contrib.<ref name="prosody-thorough" />
| {{unk}}
|-
| [http://xmpp.org/extensions/xep-0259.html 0259]
| Message Mining
| {{okay|Deferred}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{No}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{No}}<ref name="prosody-thorough" />
| {{unk}}
|-
| [http://xmpp.org/extensions/xep-0268.html 0268]
| Incident Handling
| {{okay|Deferred}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| Contrib.<ref>{{Cite web|url=http://modules.prosody.im/mod_incidents_handling.html|title=mod_incidents_handling - Prosody Community Modules|website=modules.prosody.im}}</ref>
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0270.html 0270]
| XMPP Compliance Suites 2010
| {{incorrect|Obsolete}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{Yes}}
| {{Yes}}<ref name="M-Link-features" />
| {{Yes}}
| {{unk}}
| {{unk}}
| {{unk}}
|-
| [http://xmpp.org/extensions/xep-0273.html 0273]
| Stanza Interception and Filtering Technology (SIFT)
| {{okay|Deferred}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{Partial}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| Contrib.<ref name="prosody-thorough" />
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0278.html 0278]
| Jingle Relay Nodes
| {{release-candidate|Experimental}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-features" />
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{No}}
| {{unk}}
| {{unk}}
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0279.html 0279]
| Server IP Check
| {{okay|Deferred}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{No}}<ref name="jabberd2-myip">{{Cite web |url=http://delta.affinix.com/specs/xmppstream.html#myip |title=XMPP-Core stream extensions |access-date=2010-08-05 |archive-url=https://web.archive.org/web/20100606090238/http://delta.affinix.com/specs/xmppstream.html#myip |archive-date=2010-06-06 |url-status=dead }}</ref>
| {{Yes}}<ref name="metronome-features" />
| {{No}}
| {{Yes}}
| {{unk}}
| Contrib.<ref name="prosody-thorough" /><ref>{{Cite web|url=http://modules.prosody.im/mod_ipcheck.html|title=mod_ipcheck - Prosody Community Modules|website=modules.prosody.im}}</ref>
| {{No}}
|-
| [http://xmpp.org/extensions/xep-0288.html 0288]
| Bidirectional Server-to-Server Connections
| {{Yes|Stable}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="metronome-features" />
| {{Yes}}<ref name="M-Link-features" />
| {{No}}
| {{unk}}
| {{unk}}
| {{unk}}
|-
| [http://xmpp.org/extensions/xep-0289.html 0289]
| Federated MUC for Constrained Environments
| {{okay|Deferred}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{No}}
| {{Yes}}<ref name="M-Link-features" />
| {{No}}
| {{unk}}
| {{unk}}
| {{unk}}
|-
| [http://xmpp.org/extensions/xep-0302.html 0302]
| XMPP Compliance Suites 2012
| {{incorrect|Obsolete}}
| {{Yes}}<ref name="ejabberd-protocols" />
| {{unk}}
| {{unk}}
| {{unk}}
| {{Yes}}
| {{No}}
| {{Yes}}
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="tigase-features" />
|-
| [http://xmpp.org/extensions/xep-0309.html 0309]
| Service Directories
| {{okay|Deferred}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{Yes}}<ref name="metronome-features" />
| {{unk}}
| {{No}}
| {{unk}}
| Contrib.<ref name="prosody-thorough" />
| {{unk}}
|-
| [http://xmpp.org/extensions/xep-0321.html 0321]
| Remote Roster Management
| {{okay|Deferred}}
| {{Yes}}<ref name="ejabberd14.05">{{cite web |url=http://www.ejabberd.im/ejabberd-14.05 |title=ejabberd 14.05 |accessdate=2014-07-02}}</ref>
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}<ref name="metronome-features" />
| {{unk}}
| {{No}}
| {{unk}}
| {{unk}}<ref>{{Cite web|url=http://modules.prosody.im/mod_remote_roster.html|title=mod_remote_roster - Prosody Community Modules|website=modules.prosody.im}}</ref>
| {{unk}}
|-
| [http://xmpp.org/extensions/xep-0375.html 0375]
| XMPP Compliance Suites 2016
| {{dropped|Retracted}}
| Contrib
| {{unk}}
| {{unk}}
| {{unk}}
| {{Yes}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
|-	
| [http://xmpp.org/extensions/xep-0376.html 0376]
| PubSub Account Management
| {{okay|Deferred}}
| Contrib
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
|-
| [http://xmpp.org/extensions/xep-0387.html 0387]
| XMPP Compliance Suites 2018
| {{incorrect|Obsolete}}
| {{Yes}}.<ref name="ejabberd-issue-2020">{{cite web |url=https://github.com/processone/ejabberd/issues/2020 |title=XEP-0387: XMPP Compliance Suites 2017 #2020 |accessdate=2021-04-10|website=github.com}}</ref> 
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
|-
| [http://xmpp.org/extensions/xep-0412.html 0412]
| XMPP Compliance Suites 2019
| {{incorrect|Obsolete}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
|-
| [http://xmpp.org/extensions/xep-0423.html 0423]
| XMPP Compliance Suites 2020
| {{Yes|Stable}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{Yes}}.<ref name="metronome-home">{{cite web |url=https://metronome.im/ |title=Metronome IM "Aims" |accessdate=2021-04-10|website=metronome.im}}</ref> 
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
|-
| [http://xmpp.org/extensions/xep-0443.html 0443]
| XMPP Compliance Suites 2021
| {{Yes|Stable}}
| {{unk}}.<ref name="ejabberd-issue-3211">{{cite web |url=https://github.com/processone/ejabberd/issues/3211 |title=XEP-0387: XMPP Compliance Suites 2021 #3211 |accessdate=2021-04-10|website=github.com}}</ref> 
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
| {{unk}}
|-
! XEP
! Description
! Status
! ejabberd
! iChat Server
! jabberd14
! jabberd2
! Metronome
! Isode M-Link
! MongooseIM
! Openfire
! Prosody
! Tigase
|}

== See also ==
* [[Comparison of XMPP clients]]

== References ==
{{reflist|colwidth=30em}}

{{DEFAULTSORT:Comparison Of Xmpp Server Software}}
[[Category:Instant messaging server software|XMPP]]
[[Category:XMPP clients]]
[[Category:XMPP]]
[[Category:Software comparisons]]
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