Best Open Source Chat Software 2025

Chat Software

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Browse free open source Chat software and projects for Windows and Mac below. Use the toggles on the left to filter open source Chat software by OS, license, language, programming language, and project status.

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1

FireFighter

FireFighter is a Mozilla Firefox extension which aims to assist in countervandalism efforts on the English Wikipedia (http://en.wikipedia.org/).

Downloads: 0 This Week

Last Update: 2013-04-19
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2

One Web Forum

One Web Forum is tool for expressing your free speech in todays world

One Web Forum is a tool for expressing your free speech in todays world. Leave comment on any website at any time. We do not track your information, we remember only country you posted your comment from. We believe in freedom of speech. You can install our plugin for Mozilla Firefox. We hired best software engineers and researchers from companies such as Microsoft, Facebook, Pacific Biosciences and Microsoft Research to help continue vision of a great man, Martin Luther King, Jr.

Downloads: 0 This Week

Last Update: 2017-10-29
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3

Walter

Walter is an in-browser wysiwyg HTML-editor, that runs on JavaScript.

1 Review

Downloads: 0 This Week

Last Update: 2013-03-21
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4

foxTalkz

foxTalkz is the total solution for chatting. It is built as a Firefox extension integrated with Google chat, and it does not need an internet connection to chat in the LAN.

Downloads: 0 This Week

Last Update: 2013-04-19
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