The Omeka IRC channel (#omeka) is hosted on Freenode.
You can use the Freenode in-browser webchat site to join #omeka without downloading a client.
IRC Clients
Cross-platform
- ChatZilla — IRC extension for Firefox
- Pidgin — Popular open-source multi-protocol messaging client
- Irssi — Text-mode client, often run from a shell, sometimes in conjunction with 'screen'.
- X-Chat — Popular open-source client. Official Linux builds are free, several Windows versions are available, as well as a Mac version.
Windows
- mIRC — Popular Windows client. Commercial.
- AdiIRC — Simple C# based IRC client.
- Miranda — Lightweight, muti-protocol instant messenger.

