Browse free open source Chat software and projects for 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
    Pidgin IM

    Pidgin IM

    A universal instant messaging (IM) program

    See https://pidgin.im/about/ for more information. Pidgin is an instant messaging program which lets you log in to accounts on multiple chat networks simultaneously. It runs on Windows, Linux, and other UNIX operating systems. Pidgin is compatible with the following chat networks out of the box: AIM, ICQ, Google Talk, Jabber/XMPP, MSN Messenger, Yahoo!, Bonjour, Gadu-Gadu, IRC, MXit, Novell GroupWise Messenger, Lotus Sametime, SILC, SIMPLE, MySpaceIM, and Zephyr. It is written in C and makes heavy use of GLib and GTK+. Finch is a command line instant messaging program. It also lets you log in to accounts on multiple chat network simultaneously, and it is compatible with the same chat networks as Pidgin. It is written in C and makes heavy use of GLib and ncurses.
    Leader badge
    Downloads: 5,954 This Week
    Last Update:
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  • 2
    phpMyChat

    phpMyChat

    Standalone chat system developed in php, mysql and javascript

    phpMyChat-Plus is an easy-to-install, easy-to-use multi-room PHP/DB chat. It is currently available for MySQLi, MariaDB, PostgreSQL, and ODBC. It supports IRC-like commands, moderators, is available in 24 languages and fully compatible with php7.
    Downloads: 33 This Week
    Last Update:
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  • 3
    A fork of pidgin which aims to provide minor features that have not been addressed by the pidgin development team (including manual textbox resizing). See funpidgin.sf.net for details.
    Downloads: 3 This Week
    Last Update:
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  • 4
    Deep Matrix is a Java chat-client and server system that turns 3D VRML/X3D worlds in to multi-user enviroments. The current version "Deep MatrixIP9" works on Windows, Mac, and Linux OS systems.
    Downloads: 0 This Week
    Last Update:
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  • 5
    Yet another IM with enchanced security mechanisms.
    Downloads: 0 This Week
    Last Update:
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  • 6
    Tcldrop is basically a clone of the Eggdrop IRC bot, but is being written purely in Tcl. The intention is to write a much more scriptable bot than Eggdrop is. It will run stand-alone or from any Tcl-enabled application (Tcl v8.5+).
    Downloads: 0 This Week
    Last Update:
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  • 7
    The Wheat Snooper
    A Chat client for the Worms Armageddon network, already stable and used by many gamers.
    Downloads: 0 This Week
    Last Update:
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  • 8
    voltMessenger is a web-centered IM system. It consists in a server written in PHP that can run on most webservers, and a client written in C++. Easily deployable in office environments or as a website extension. THIS PROJECT HAS BEEN SHUT DOWN.
    Downloads: 0 This Week
    Last Update:
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