Thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after Mozilla Firefox.
- - Thunderbird is the most popular Windows, Mac & Linux alternative to Mibbit.
- - Thunderbird is the most popular Open Source & free alternative to Mibbit.
Web-browser, advanced e-mail, newsgroup and feed client, IRC chat, and HTML editing in one application. Itis built on the open source Mozilla Gecko engine, the same code which underlies Thunderbird and is the base for the Firefox browser.
HexChat is an IRC client based on XChat for Linux , but unlike XChat it’s completely free for both Windows and Unix-like systems.
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 networks around the world. Serving the Internet community for over a decade, mIRC has evolved into a powerful...
- - mIRC is the most popular commercial alternative to Mibbit.
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.
XChat for Linux FeaturesDiscontinued
The program is no longer updated. Last version, 2.8.8, released in May 2010, can be still downloaded from the official website.
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 of many IRC addicted developers around the world.
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 connect to any IRC network.
- - Kiwi IRC is the most popular Web-based & Self-Hosted alternative to Mibbit.
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 sorting of available channels, logging, and...Discontinued
Discontinued since 2017. From their website: “With the release of Firefox 57 (Firefox Quantum), it is no longer possible for ChatZilla to work as an extension in Firefox.”
IRCCloud is an IRC client with a future. Stay connected, chat from anywhere, and never miss a message.
- - IRCCloud is the most popular Android & iPhone alternative to Mibbit.
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 stack. In addition, making a new chatroom website is a simple as downloading the files and cloning the site.Discontinued
Last update on github made over 5 years (March 13, 2016).