ChatZilla provides all the usual IRC client features: multiple servers, a built-in list of standard networks, easy searching and sorting of available channels, logging, and DCC chat and file transfers, plus easy customisation with JavaScript plug-ins and CSS styling.

The official ChatZilla website is at http://chatzilla.hacksrus.com/.

Songbird-specific features:
* Now Playing information (/nowplaying, /np)
* Send a file that's currently playing in Songbird to other users (/dcc-send-track)
* Playback control commands (/play, /pause, /stop, /next, /previous, /volume [0-100], /mute, /unmute, /repeat [off|one|all], /shuffle [on|off]).