| pidgin-status-to-twitter (V) | | Update Twitter with your Pidgin status |
| pidgin-twitterstatus (V) | | Use your Twitter account as your Pidgin status message |
| pircbot | | Java IRC Bot Framework |
| profanity | | Console based XMPP client inspired by irssi |
| prosody | | Flexible communications server for Jabber/XMPP written in Lua |
| prpltwtr (V) | | Treat microblogging (Twitter, etc) as IM protocols |
| psi | | Psi XMPP/Jabber Client |
| psybnc | | Easy-to-use, multi-user, IRC-Bouncer with many features |
| py-axolotl | | Python port of the ratcheting forward secrecy protocol |
| py-axolotl-curve25519 | | Python wrapper for curve25519 with ed25519 signatures |
| py-discord.py (V) | | Python wrapper for the Discord API |
| py-jabber-aimt (V) | | Transport connecting Jabber to the AOL IM network |
| py-jabber-icqt (V) | | Transport connecting Jabber to the ICQ IM network |
| py-jabber-idavoll (V) | | XMPP publish-subscribe (XEP-0060) component (via twisted) |
| py-jabber-palaver (V) | | XEP-0045 + XEP-0128 Multi-User Conferencing package |
| py-jabber-proxy65 (V) | | XEP-0065 proxy transport for XMPP |
| py-jabber-punjab (V) | | HTTP XMMP client interface implementing BOSH/XEP-0124 |
| py-mastodon | | Python wrapper for the Mastodon API |
| py-matrix-common | | Common utilities for Synapse, Sydent and Sygnal |
| py-matrix-nio | | Matrix client library for Python |
| py-nbxmpp | | Asynchronous Python library for XMPP |
| py-telethon | | Full-featured Telegram client library for Python 3 |
| py-xmpppy | | XMPP (Jabber) library for Python |
| py-zulip | | Bindings for the Zulip message API |
| py-zulip-term | | Zulip's official terminal client |
| quassel | | Modern, cross-platform, distributed IRC client |
| quassel-core | | Modern, cross-platform, distributed IRC client - core only |
| quirc | | Stable and powerful graphical IRC client |
| riece | | IRC client for Emacs |
| roxirc | | Graphical IRC client written in tcl/tk |
| ruby-actionmessenger (V) | | Ruby convenience framework for instant messaging |
| ruby-net-irc | | Ruby IRC library |
| ruby-xmpp4r (V) | | XMPP/Jabber library for Ruby |
| scrollz | | Advanced IRC client based on ircII client |
| senpai | | Modern terminal IRC client |
| silc-client | | Client for the Secure Internet Live Conferencing (SILC) protocol |
| silc-client-icb | | Plugin for accessing ICB networks via silc-client |
| silc-server | | Server for the Secure Internet Live Conferencing (SILC) protocol |
| silc-toolkit (V) | | Secure Internet Live Conferencing (SILC) protocol Toolkit |
| silky (V) | | Silky is an easy-to-use graphical SILC client |
| soju | | User-friendly IRC bouncer |
| srain | | Modern IRC client written in GTK |
| ssh-chat | | Chat over SSH |
| swirc | | Console based ICB and IRC client |
| synadm | | Command line admin tool for Synapse |
| telegram-purple | | libpurple protocol plugin for the Telegram messenger |
| telepathy-farstream | | Farstream connection manager for Telepathy |
| telepathy-glib | | GObject-based C binding for the Telepathy D-Bus API |
| telepathy-haze | | Libpurple connection manager for Telepathy |
| telepathy-idle | | Full-featured IRC connection manager for Telepathy |
| telepathy-mission-control5 | | Telepathy component providing abstractions for end-user applications |
| telepathy-qt5 | | Qt5 bindings for telepathy |
| tik | | Tcl/Tk AOL Instant Messenger client |
| tirc | | Token's 'Internet Relay Chat' Client |
| tkirc | | GUI for the ircII Internet Relay Chat client |
| tkirc2 | | GUI for the ircII Internet Relay Chat client |
| tooi (V) | | Text-based user interface for Mastodon, Pleroma and friends |
| toot | | Command line client for the Mastodon social network API |
| tootstream | | Command line interface for interacting with Mastodon instances |
| toxcore | | Tox protocol library |
| toxic | | Terminal-based Tox peer-to-peer messenger |
| twinkle (V) | | SIP-based VOIP client |
| twitch-tui | | Twitch chat in the terminal |
| unrealircd | | Advanced IRC server with IPv6 and SSL support |
| unrealircd6 | | Advanced IRC server with IPv6 and SSL support |
| weechat | | Lightweight and user friendly curses based IRC client |
| xaric | | IRC client similar to BitchX and ircII |
| zenicb | | ICB client for Emacs |
| zenirc | | IRC client for Emacs |
| zircon | | X11 interface to Internet Relay Chat |
| znc | | Advanced IRC bouncer with IPv6 and SSL support |