Best Open Source Chat Software 2026

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Browse free open source Chat software and projects 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

Leszek Project 2.0

Leszek is a community addressbook, calendar and photo album. It uses AJAX and PHP. It is being developed for small group of users (a school friends etc.). I need help in development, so feel invited if you are interested in project ;)

Downloads: 0 This Week

Last Update: 2013-04-19
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2

PC to Pc Video and Audio Chat (VOIP)

PcToPcChat is a new idea on video and audio chat witch is better than Skype, Yahoo ... It is a VOIP application (a video phone). The image and voice is synchronized.

Downloads: 0 This Week

Last Update: 2015-08-07
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3

myTagBoard

The PHP TagBoards Generator.

Downloads: 0 This Week

Last Update: 2015-05-02
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4

ppPhone

This is a P2P VoIP system. It support audio and video chat through kademlia-based dht overlay. The p2p module use Kademlia protocols; Audio codec is G.729. An simple Introduction here: http://www.needdo.com/2007/09/ppphonekademliap2p-voip/ . My Personal blog is http://www.idolf.cn and my email is dolfcao@gmail.com .

Downloads: 0 This Week

Last Update: 2014-03-04
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