This table lists XMPP Extensions (XEPs) of Standards Track, Informational, and Historical types (excluding Deprecated, Obsolete, Retracted, and Rejected XEPs). Use the “Add App” button to compare supported XEPs for individual clients, servers, libraries or tools. Visit the Software section for filtering apps by operating system, compliance, and more.

Extensions
Artalk.XMPP 
AstraChat XMPP Client 
AstraChat XMPP Server 
Bad XMPP 
Beagle IM 
Bruno 
Chat-O-Matic 
Cheogram Android 
Conversations 
Converse.js 
Dino 
Erlang/Elixir XMPP 
Explore XEP-0392 Consistent Color Generation 
Gajim 
Halcyon 
Isode M-Link 
JSXC 
JaXMPP 
Kaidan 
Libervia (formerly Salut à Toi) 
Martin 
MatriX 
Mellium 
Metronome IM 
Miranda NG 
Monal IM 
MongooseIM 
Movim 
Moxxy 
Openfire 
Prosody IM 
Psi 
Psi+ 
Pàdé 
QXmpp 
Renga 
Scansion 
Siskin IM 
Slidge 
Smack 
Spark 
Stork IM 
Strophe.js 
Swift 
Swiften 
Tigase XMPP Server 
Tinder 
UWPX 
XMPP Web 
XMPP account exporter 
XmppDotNet 
blabber.im 
ejabberd 
libstrophe 
monocles chat 
moxxmpp 
network-protocol-haskell 
observe.jabber.network 
omemo_dart 
poezio 
profanity 
python-nbxmpp 
search.jabber.network 
slixmpp 
xmpp-parsers 
xmpp.js 
yaxim 
XEP-0004 Data Forms
XEP-0009 Jabber-RPC
XEP-0012 Last Activity
XEP-0030 Service Discovery
XEP-0031 A Framework For Securing Jabber Conversations
XEP-0033 Extended Stanza Addressing
XEP-0039 Statistics Gathering
XEP-0044 Full Namespace Support for XML Streams
XEP-0045 Multi-User Chat
XEP-0047 In-Band Bytestreams
XEP-0049 Private XML Storage
XEP-0050 Ad-Hoc Commands
XEP-0054 vcard-temp
XEP-0055 Jabber Search
XEP-0056 Business Data Interchange
XEP-0058 Multi-User Text Editing
XEP-0059 Result Set Management
XEP-0060 Publish-Subscribe
XEP-0061 Shared Notes
XEP-0062 Packet Filtering
XEP-0063 Basic Filtering Operations
XEP-0064 XPath Filtering
XEP-0065 SOCKS5 Bytestreams
XEP-0066 Out of Band Data
XEP-0067 Stock Data Transmission
XEP-0068 Field Standardization for Data Forms
XEP-0070 Verifying HTTP Requests via XMPP
XEP-0072 SOAP Over XMPP
XEP-0075 Jabber Object Access Protocol (JOAP)
XEP-0077 In-Band Registration
XEP-0079 Advanced Message Processing
XEP-0080 User Location
XEP-0082 XMPP Date and Time Profiles
XEP-0083 Nested Roster Groups
XEP-0084 User Avatar
XEP-0085 Chat State Notifications
XEP-0088 Client Webtabs
XEP-0089 Generic Alerts
XEP-0092 Software Version
XEP-0097 iCal Envelope
XEP-0098 Enhanced Private XML Storage
XEP-0099 IQ Query Action Protocol
XEP-0100 Gateway Interaction
XEP-0101 HTTP Authentication using Jabber Tickets
XEP-0102 Security Extensions
XEP-0103 URL Address Information
XEP-0104 HTTP Scheme for URL Data
XEP-0105 Tree Transfer Stream Initiation Profile
XEP-0106 JID Escaping
XEP-0107 User Mood
XEP-0108 User Activity
XEP-0109 Out-of-Office Messages
XEP-0110 Generic Maps
XEP-0113 Simple Whiteboarding
XEP-0114 Jabber Component Protocol
XEP-0115 Entity Capabilities
XEP-0116 Encrypted Session Negotiation
XEP-0118 User Tune
XEP-0122 Data Forms Validation
XEP-0124 Bidirectional-streams Over Synchronous HTTP (BOSH)
XEP-0127 Common Alerting Protocol (CAP) Over XMPP
XEP-0128 Service Discovery Extensions
XEP-0129 WebDAV File Transfers
XEP-0131 Stanza Headers and Internet Metadata
XEP-0133 Service Administration
XEP-0134 XMPP Design Guidelines
XEP-0135 File Sharing
XEP-0141 Data Forms Layout
XEP-0142 Workgroup Queues
XEP-0144 Roster Item Exchange
XEP-0145 Annotations
XEP-0147 XMPP URI Scheme Query Components
XEP-0149 Time Periods
XEP-0150 Use of Entity Tags in XMPP Extensions
XEP-0151 Virtual Presence
XEP-0152 Reachability Addresses
XEP-0153 vCard-Based Avatars
XEP-0154 User Profile
XEP-0155 Stanza Session Negotiation
XEP-0156 Discovering Alternative XMPP Connection Methods
XEP-0157 Contact Addresses for XMPP Services
XEP-0158 CAPTCHA Forms
XEP-0159 Spim-Blocking Control
XEP-0160 Best Practices for Handling Offline Messages
XEP-0161 Abuse Reporting
XEP-0162 Best Practices for Roster and Subscription Management
XEP-0163 Personal Eventing Protocol
XEP-0164 vCard Filtering
XEP-0165 Best Practices to Discourage JID Mimicking
XEP-0166 Jingle
XEP-0167 Jingle RTP Sessions
XEP-0168 Resource Application Priority
XEP-0170 Recommended Order of Stream Feature Negotiation
XEP-0171 Language Translation
XEP-0172 User Nickname
XEP-0173 Pubsub Subscription Storage
XEP-0174 Serverless Messaging
XEP-0175 Best Practices for Use of SASL ANONYMOUS
XEP-0176 Jingle ICE-UDP Transport Method
XEP-0177 Jingle Raw UDP Transport Method
XEP-0178 Best Practices for Use of SASL EXTERNAL with Certificates
XEP-0179 Jingle IAX Transport Method
XEP-0181 Jingle DTMF
XEP-0184 Message Delivery Receipts
XEP-0185 Dialback Key Generation and Validation
XEP-0186 Invisible Command
XEP-0187 Offline Encrypted Sessions
XEP-0188 Cryptographic Design of Encrypted Sessions
XEP-0189 Public Key Publishing
XEP-0191 Blocking Command
XEP-0194 User Chatting
XEP-0195 User Browsing
XEP-0196 User Gaming
XEP-0197 User Viewing
XEP-0198 Stream Management
XEP-0199 XMPP Ping
XEP-0200 Stanza Encryption
XEP-0201 Best Practices for Message Threads
XEP-0202 Entity Time
XEP-0203 Delayed Delivery
XEP-0204 Collaborative Data Objects
XEP-0205 Best Practices to Discourage Denial of Service Attacks
XEP-0206 XMPP Over BOSH
XEP-0209 Metacontacts
XEP-0210 Requirements for Encrypted Sessions
XEP-0214 File Repository and Sharing
XEP-0215 External Service Discovery
XEP-0217 Simplified Encrypted Session Negotiation
XEP-0218 Bootstrapping Implementation of Encrypted Sessions
XEP-0220 Server Dialback
XEP-0221 Data Forms Media Element
XEP-0222 Persistent Storage of Public Data via PubSub
XEP-0223 Persistent Storage of Private Data via PubSub
XEP-0224 Attention
XEP-0225 Component Connections
XEP-0226 Message Stanza Profiles
XEP-0227 Portable Import/Export Format for XMPP-IM Servers
XEP-0228 Requirements for Shared Editing
XEP-0230 Service Discovery Notifications
XEP-0231 Bits of Binary
XEP-0232 Software Information
XEP-0233 XMPP Server Registration for use with Kerberos V5
XEP-0234 Jingle File Transfer
XEP-0235 OAuth Over XMPP
XEP-0238 XMPP Protocol Flows for Inter-Domain Federation
XEP-0240 Auto-Discovery of JabberIDs
XEP-0241 Encryption of Archived Messages
XEP-0244 IO Data
XEP-0245 The /me Command
XEP-0246 End-to-End XML Streams
XEP-0247 Jingle XML Streams
XEP-0248 PubSub Collection Nodes
XEP-0249 Direct MUC Invitations
XEP-0250 C2C Authentication Using TLS
XEP-0251 Jingle Session Transfer
XEP-0252 BOSH Script Syntax
XEP-0253 PubSub Chaining
XEP-0254 PubSub Queueing
XEP-0255 Location Query
XEP-0257 Client Certificate Management for SASL EXTERNAL
XEP-0258 Security Labels in XMPP
XEP-0259 Message Mine-ing
XEP-0260 Jingle SOCKS5 Bytestreams Transport Method
XEP-0261 Jingle In-Band Bytestreams Transport Method
XEP-0262 Use of ZRTP in Jingle RTP Sessions
XEP-0264 Jingle Content Thumbnails
XEP-0265 Out-of-Band Stream Data
XEP-0266 Codecs for Jingle Audio
XEP-0267 Server Buddies
XEP-0268 Incident Handling
XEP-0269 Jingle Early Media
XEP-0271 XMPP Nodes
XEP-0272 Multiparty Jingle (Muji)
XEP-0273 Stanza Interception and Filtering Technology (SIFT)
XEP-0274 Design Considerations for Digital Signatures in XMPP
XEP-0275 Entity Reputation
XEP-0276 Presence Decloaking
XEP-0277 Microblogging over XMPP
XEP-0278 Jingle Relay Nodes
XEP-0279 Server IP Check
XEP-0280 Message Carbons
XEP-0282 DMUC2: Distributed MUC
XEP-0283 Moved
XEP-0284 Shared XML Editing
XEP-0285 Encapsulating Digital Signatures in XMPP
XEP-0286 Mobile Considerations on LTE Networks
XEP-0287 Spim Markers and Reports
XEP-0288 Bidirectional Server-to-Server Connections
XEP-0289 Federated MUC for Constrained Environments
XEP-0290 Encapsulated Digital Signatures in XMPP
XEP-0291 Service Delegation
XEP-0292 vCard4 Over XMPP
XEP-0293 Jingle RTP Feedback Negotiation
XEP-0294 Jingle RTP Header Extensions Negotiation
XEP-0296 Best Practices for Resource Locking
XEP-0297 Stanza Forwarding
XEP-0298 Delivering Conference Information to Jingle Participants (Coin)
XEP-0299 Codecs for Jingle Video
XEP-0300 Use of Cryptographic Hash Functions in XMPP
XEP-0301 In-Band Real Time Text
XEP-0303 Commenting
XEP-0304 Whitespace Keepalive Negotiation
XEP-0305 XMPP Quickstart
XEP-0306 Extensible Status Conditions for Multi-User Chat
XEP-0307 Unique Room Names for Multi-User Chat
XEP-0308 Last Message Correction
XEP-0309 Service Directories
XEP-0310 Presence State Annotations
XEP-0311 MUC Fast Reconnect
XEP-0312 PubSub Since
XEP-0313 Message Archive Management
XEP-0314 Security Labels in PubSub
XEP-0315 Data Forms XML Element
XEP-0316 MUC Eventing Protocol
XEP-0317 Hats
XEP-0318 Best Practices for Client Initiated Presence Probes
XEP-0319 Last User Interaction in Presence
XEP-0320 Use of DTLS-SRTP in Jingle Sessions
XEP-0321 Remote Roster Management
XEP-0322 Efficient XML Interchange (EXI) Format
XEP-0327 Rayo
XEP-0328 JID Preparation and Validation Service
XEP-0329 File Information Sharing
XEP-0330 Pubsub Subscription
XEP-0331 Data Forms - Color Field Types
XEP-0332 HTTP over XMPP transport
XEP-0333 Chat Markers
XEP-0334 Message Processing Hints
XEP-0335 JSON Containers
XEP-0336 Data Forms - Dynamic Forms
XEP-0337 Event Logging over XMPP
XEP-0338 Jingle Grouping Framework
XEP-0339 Source-Specific Media Attributes in Jingle
XEP-0340 COnferences with LIghtweight BRIdging (COLIBRI)
XEP-0341 Rayo CPA
XEP-0342 Rayo Fax
XEP-0343 Signaling WebRTC datachannels in Jingle
XEP-0344 Impact of TLS and DNSSEC on Dialback
XEP-0346 Form Discovery and Publishing
XEP-0347 Internet of Things - Discovery
XEP-0348 Signing Forms
XEP-0349 Rayo Clustering
XEP-0350 Data Forms Geolocation Element
XEP-0351 Recipient Server Side Notifications Filtering
XEP-0352 Client State Indication
XEP-0353 Jingle Message Initiation
XEP-0354 Customizable Message Routing
XEP-0355 Namespace Delegation
XEP-0356 Privileged Entity
XEP-0357 Push Notifications
XEP-0358 Publishing Available Jingle Sessions
XEP-0359 Unique and Stable Stanza IDs
XEP-0360 Nonzas (are not Stanzas)
XEP-0361 Zero Handshake Server to Server Protocol
XEP-0362 Raft over XMPP
XEP-0363 HTTP File Upload
XEP-0364 Current Off-the-Record Messaging Usage
XEP-0365 Server to Server communication over STANAG 5066 ARQ
XEP-0366 Entity Versioning
XEP-0367 Message Attaching
XEP-0368 SRV records for XMPP over TLS
XEP-0369 Mediated Information eXchange (MIX)
XEP-0370 Jingle HTTP Transport Method
XEP-0371 Jingle ICE Transport Method
XEP-0372 References
XEP-0373 OpenPGP for XMPP
XEP-0374 OpenPGP for XMPP Instant Messaging
XEP-0376 Pubsub Account Management
XEP-0377 Spam Reporting
XEP-0378 OTR Discovery
XEP-0379 Pre-Authenticated Roster Subscription
XEP-0380 Explicit Message Encryption
XEP-0382 Spoiler messages
XEP-0383 Burner JIDs
XEP-0384 OMEMO Encryption
XEP-0385 Stateless Inline Media Sharing (SIMS)
XEP-0386 Bind 2
XEP-0388 Extensible SASL Profile
XEP-0389 Extensible In-Band Registration
XEP-0390 Entity Capabilities 2.0
XEP-0391 Jingle Encrypted Transports
XEP-0392 Consistent Color Generation
XEP-0393 Message Styling
XEP-0394 Message Markup
XEP-0395 Atomically Compare-And-Publish PubSub Items
XEP-0396 Jingle Encrypted Transports - OMEMO
XEP-0397 Instant Stream Resumption
XEP-0398 User Avatar to vCard-Based Avatars Conversion
XEP-0399 Client Key Support
XEP-0400 Multi-Factor Authentication with TOTP
XEP-0401 Ad-hoc Account Invitation Generation
XEP-0402 PEP Native Bookmarks
XEP-0403 Mediated Information eXchange (MIX): Presence Support.
XEP-0404 Mediated Information eXchange (MIX): JID Hidden Channels.
XEP-0405 Mediated Information eXchange (MIX): Participant Server Requirements
XEP-0406 Mediated Information eXchange (MIX): MIX Administration
XEP-0407 Mediated Information eXchange (MIX): Miscellaneous Capabilities
XEP-0408 Mediated Information eXchange (MIX): Co-existence with MUC
XEP-0409 IM Routing-NG
XEP-0410 MUC Self-Ping (Schrödinger's Chat)
XEP-0413 Order-By
XEP-0414 Cryptographic Hash Function Recommendations for XMPP
XEP-0415 XMPP Over RELOAD (XOR)
XEP-0416 E2E Authentication in XMPP
XEP-0417 E2E Authentication in XMPP: Certificate Issuance and Revocation
XEP-0418 DNS Queries over XMPP (DoX)
XEP-0420 Stanza Content Encryption
XEP-0421 Anonymous unique occupant identifiers for MUCs
XEP-0422 Message Fastening
XEP-0424 Message Retraction
XEP-0425 Message Moderation
XEP-0426 Character counting in message bodies
XEP-0427 MAM Fastening Collation
XEP-0428 Fallback Indication
XEP-0430 Inbox
XEP-0431 Full Text Search in MAM
XEP-0432 Simple JSON Messaging
XEP-0433 Extended Channel Search
XEP-0434 Trust Messages (TM)
XEP-0435 Reminders
XEP-0436 MUC presence versioning
XEP-0437 Room Activity Indicators
XEP-0438 Best practices for password hashing and storage
XEP-0439 Quick Response
XEP-0440 SASL Channel-Binding Type Capability
XEP-0441 Message Archive Management Preferences
XEP-0442 Pubsub Message Archive Management
XEP-0444 Message Reactions
XEP-0445 Pre-Authenticated In-Band Registration
XEP-0446 File metadata element
XEP-0447 Stateless file sharing
XEP-0448 Encryption for stateless file sharing
XEP-0449 Stickers
XEP-0450 Automatic Trust Management (ATM)
XEP-0451 Stanza Multiplexing
XEP-0452 MUC Mention Notifications
XEP-0453 DOAP usage in XMPP
XEP-0454 OMEMO Media sharing
XEP-0455 Service Outage Status
XEP-0456 Content Rating Labels
XEP-0460 Pubsub Caching Hints
XEP-0461 Message Replies
XEP-0462 PubSub Type Filtering
XEP-0463 MUC Affiliations Versioning
XEP-0465 Pubsub Public Subscriptions
XEP-0466 Ephemeral Messages
XEP-0467 XMPP over QUIC
XEP-0468 WebSocket S2S
XEP-0469 Bookmark Pinning
XEP-0470 Pubsub Attachments
XEP-0471 Events
XEP-0472 Pubsub Social Feed
XEP-0473 OpenPGP for XMPP Pubsub
XEP-0474 SASL SCRAM Downgrade Protection
XEP-0475 Pubsub Signing
XEP-0476 Pubsub Signing: OpenPGP Profile
XEP-0477 Pubsub Targeted Encryption
XEP-0478 Stream Limits Advertisement
XEP-0479 XMPP Compliance Suites 2023
XEP-0480 SASL Upgrade Tasks
XEP-0481 Content Types in Messages
XEP-0482 Call Invites
XEP-0483 HTTP Online Meetings
XEP-0484 Fast Authentication Streamlining Tokens