Smuxi – IRC client

Smuxi is an Irssi-inspired, flexible, user-friendly and cross-platform IRC client for sophisticated users, targeting the GNOME desktop. It’s also a client for Twitter, XMPP, Campfire, and JabbR.

The special feature of Smuxi is that it can be used like the typical irssi+screen combo. The IRC session can run on a server (using `smuxi-server’) and a frontend (like `smuxi-frontend-gnome’) then can connect to that. The frontend can then be detached and re-attached at some later point without losing any IRC connections or messages.

Similar to Quassel IRC, it therefore allows users to split the frontend from the backend which manages the actual connections to the IRC servers.

Features include:

    • Detachable Frontend (frontend can be detached from a smuxi-server).
    • Desktop Notifications (with full support of actions, icons, updates, append and sound).
    • Messaging Menu / Indicators (as provided by Ubuntu’s Ayatana project).
    • Integrated Spell Checking (Linux-only).
    • Unified Nickname Colors (identical color across channels and networks).
    • Caret-Mode (keyboard navigation through messages).
    • Browse Mode (allows to navigate through tabs without moving the markerline).
    • Regular and Bash-Style Nickname Completion.
    • Full Keyboard Control.
    • Message / Command History.
    • Configurable Command Character.
    • Quick Connect Dialog (simply connect to any server).
    • Join Bar (easily connect/join to servers/chats).
    • Find Group Chat Dialog.
    • Alphabetically sorted chats grouped by network.
    • Favicons for Server chats.
    • Colors are checked and adjusted for optimum contrast.
    • Clickable URLs.
    • Word Wrapping.
    • Indention of multi-line messages.
    • Configurable Highlight Words.
    • Markerlines which divide old messages from new messages.
    • Toggle-able menubar / status bar.
    • Full screen mode.
    • Theming Support:
      • Configurable Font.
      • Foreground / Background Color.
      • Chat Activity Colors.
      • Configurable Timestamps.
      • Configurable Tray-Icon Support.
  • IRC:
    • Configurable Encoding (ISO-8859-1/15, UTF-8, etc).
    • Automatic UTF-8 recode.
    • Stripping Colors and/or Formatting from Messages.
    • Showing mIRC Colors.
    • Splitting oversized messages.
    • Channel List / Search.
    • CTCP Support including a Menu.
    • Invite To Menu.
    • Lag Indicator.
    • Flood detection and prevention.
  • Multi identity support.
  • Multiplexed engine.
  • Multiple user support.
  • Multiple server connections.
  • Message patterns.
  • Message persistence.
  • Counters.
  • Also handles Twitter, Facebook Chat, Google Talk, Jabber / XMPP, Campfire and SignalR’s JabbR natively.
  • Cross-platform support – runs under Linux, FreeBSD Mac OS X, and Windows. There’s also support for the Raspberry Pi.

Support: Documentation, FAQ
Developer: Mirco Bauer, Jeffrey Richardson, Giacomo Di Ciocco
License: GNU General Public License v2.0


Smuxi is powered by C# and Mono. The libraries used include SmartIrc4net, Newtonsoft.Json, ServiceStack, Twitterizer, agsXMPP, STFL, GTK#, and many others.

Return to Graphical IRC Clients

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