Thunderbird
thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. the project strategy is modeled after mozilla firefox.
MegaIRC is an Internet Relay Chat (IRC) Client. It allows you to connect to the IRC network a virtual meeting place where people from all over the world can meet and...
megairc is an internet relay chat (irc) client. it allows you to connect to the irc network a virtual meeting place where people from all over the world can meet and talk.it supports the server and channel lists, full ansi colors, audible and visual notifications, dcc file send and receive, message logs, command line. it has the multilingual interface. the color scheme in megairc is fully customizable, you can change the text and background, as well as other specific types of text eg. your own messages. megairc allows you to associate sounds (mp3, ogg, wav are supported) with specific events.megairc supports various irc server encodings and, for your anonymity, can connect to a server through socks5 firewall. secure sockets layer (ssl) is also supported.a plugin interface is also available, allowing you to develop your own modules (i.e. irc bots, spell checking, etc).
Customizable Portable Built in File transfer Multiple languages
Productivity Developer Tools Social
customizable portable built-in-file-transfer multi-language Warning irc-client
thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. the project strategy is modeled after mozilla firefox.
Free Open Source Windows Linux BSD Mac Haiku
Miranda IM is the smaller, faster, easier instant messenger with support for multiple protocols.
Free Open Source Windows
XChat is an IRC chat program for both Linux and Windows. It allows you to join multiple IRC channels (chat rooms) at the same time, talk publicly, private one-on-one conversations etc. Even file transfers are possible. .
Free Open Source Windows Linux
Quassel IRC is a modern, cross-platform, distributed IRC client based on the Qt4 framework.
Free Open Source Mac OS X Windows Linux Self-Hosted
A freeware build of X-Chat for windows, as opposed to the official 30-day-trial shareware Windows build.
Free Windows
Konversation is an easy-to-use IRC client for novices, nut novices and experts can take advantage of its rich featureset.
Free Open Source Linux
ChatZilla is a clean, easy to use and highly extensible Internet Relay Chat (IRC) client, built on the Mozilla platform, which provides all the usual features: multiple servers, a built-in list of standard networks, easy searching and...
Free Open Source Mac OS X Windows Linux Firefox SeaMonkey