Pidgin
Open Source
Pidgin is a free and open-source chat client which supports AIM, Google Talk, ICQ, XMPP protocols.
Miranda IM
Open Source
Miranda IM is an open source multiprotocol instant messaging application, designed for Microsoft Windows.
mIRC
Commercial
mIRC is an Internet Relay Chat (IRC) client for Windows.
Smuxi
Open Source
Smuxi is a cross-platform IRC client for the GNOME desktop inspired by Irssi.
Chatzilla
Open Source
ChatZilla is an IRC client for Mozilla-based browsers such as Firefox.
Trillian
Freemium
Trillian is a proprietary multiprotocol instant messaging application.
HexChat
Open Source
HexChat is an open-source, cross-platform IRC client.
KVIrc
Open Source
KVIrc is a graphical IRC client for Linux, Unix, Mac OS and Windows.
AdiIRC
Free
AdiIRC is a free Internet Relay Chat (IRC) client.
LimeChat
Open Source
LimeChat is an IRC client for Mac OS X.
Compare Quassel IRC with alternatives
Compare Trillian and Quassel IRC and decide which is most suitable for you.
Compare Miranda IM and Quassel IRC and decide which is most suitable for you.
Compare HexChat and Quassel IRC and decide which is most suitable for you.
Compare Chatzilla and Quassel IRC and decide which is most suitable for you.
Compare LimeChat and Quassel IRC and decide which is most suitable for you.