Thunderbird 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 Mac Windows Linux BSD PortableApps.com ... Haiku Extensible by Plugins/Extensions Built-in RSS reader Calendar integration Customizable ... Extensible by Plugins/Extensions Free API Import from Google Reader Integrated Chat Integrated Web Browser Multiple Account support Export to OPML Import feeds from OPML POP3 Support Portable Tabbed interface Add a feature 1727 Like
HexChat HexChat is an IRC client based on XChat for Linux , but unlike XChat it’s completely free for both Windows and Unix-like systems. HexChat was... Free Open Source Windows Linux BSD PortableApps.com Xfce ... MacPorts XQuartz Portable Add a feature 172 Like
mIRC mIRC is a popular Internet Relay Chat client used by millions of people, and thousands of organizations, to communicate, share, play and work with each other on IRC... Commercial Windows Colored Text Add a feature 84 Like
irssi Irssi is a terminal based IRC client for UNIX systems. It also supports SILC and ICB protocols via plugins. Free Open Source Mac OS X Windows Linux BSD Cygwin No features added Add a feature 73 Like
XChat for Linux 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... Free Open Source Windows Linux No features added Add a feature 102 Like Discontinued The program is no longer updated. Last version, 2.8.8, released in May 2010, can be still downloaded from the official website.
KVIrc KVIrc is a free portable IRC client based on the excellent Qt GUI toolkit. KVirc is being written by Szymon Stefanek and the KVIrc Development Team with the contribution... Free Open Source Mac OS X Windows Linux BSD PortableApps.com Portable Add a feature 36 Like
IRCCloud IRCCloud is an IRC client with a future. Stay connected, chat from anywhere, and never miss a message. Freemium Web Android iPhone Offline logs Add a feature 15 Like
Kiwi IRC A hand-crafted IRC client that you can enjoy. Designed to be used easily and freely. More friendly than other webirc clients giving the general public an easy option to... Free Open Source Web Self-Hosted Chrome Preconfigurable auto-connect Add a feature 19 Like
Shout What is it? Shout is a web IRC client that you host on your own server. What features does it have? * Multiple user support * Stays connected even when you close... Free Open Source Web Self-Hosted No features added Add a feature 13 Like Discontinued Shout's development has stopped early 2016 and replaced by its official community fork: http://alternativeto.net/software/the-lounge/ . See https://github.com/erming/shout
ZeroChat An IRC-like internet chatroom hosted on ZeroNet, a distributed network. 0rc is a fully distributed website, and messages are shared through peers using the ZeroNet... Free Open Source Mac Windows Linux Web Self-Hosted ... Python JavaScript ZeroNet Decentralized Distributed Add a feature 7 Like
Textual Textual is the world's most popular application for interacting with Internet Relay Chat (IRC) chatrooms on OS X. Textual includes two elegantly designed light... Commercial Mac OS X No features added Add a feature 17 Like
Mibbit No Java, no flash. With Mibbit, chatting online is easy, just choose your nickname and press go! No sign-up is required and you can use it from wherever you are with... Free Web No features added Add a feature 13 Like
Qwebirc qwebirc is a web based AJAX IRC client. Free Open Source Windows Linux BSD Self-Hosted No features added Add a feature 7 Like
Chatzilla 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... Free Open Source Mac OS X Windows Linux SeaMonkey Firefox No features added Add a feature 18 Like
Colloquy Traditionally, chat clients on the Mac have been anything but glamorous. Colloquy is an advanced IRC, SILC & ICB client which aims to fill this void. By adhering to... Free Open Source Mac OS X No features added Add a feature 35 Like
