Open Source Chat Software

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.

Psi is a cross-platform powerful XMPP client designed for experienced users. Psi+ is a development branch of Psi XMPP client. Previously is was a sort of fork but now just consider it as a space for nightly builds.

Psi is cross-platform powerful XMPP client designed for experienced users. There are builds available for MS Windows, GNU/Linux and macOS.

Own your Communication with the all-in-one platform made for customer support and team collaboration. Lead with the open-source power: data security and flexibility at your hands. *NOTE: This is our Community Version product page. To know more about all of the possibilities within Rocket.Chat, check our Enterprise product page https://sourceforge.net/software/product/Rocket.Chat/ Rocket.Chat is a reliable communication platform for high-private team chatting and collaboration. Highly scalable, our solution increases business efficiency by bringing messages, video calls, file sharing and all team communication into one place. +10M users trust Rocket.Chat to obtain: - The best cost-benefit enterprise communication platform - A remote-first platform for team collaboration - Data-privacy ensured (GDPR, HIPAA, CCPA, you name it) - Seamless adaptation for all kinds of

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.

MOVED: This project has moved to https://github.com/Frug/AJAX-Chat AJAX Chat is a fully customizable web chat implemented in JavaScript, PHP and MySQL which integrates nicely with common forum systems like phpBB, MyBB, PunBB, SMF and vBulletin. A Flash and Ruby based socket connection can be used to boost performance.

Adium is an Open Source, multi-protocol instant messaging application for Mac OS X. Adium supports AIM, ICQ, Jabber, MSN, Yahoo!, Google Talk, Bonjour, Gadu-Gadu, Novell Groupwise, SIP/SIMPLE (Text), and Lotus Sametime. Additionally, it supports all of these applications at once so, even if you have multiple IM accounts, you don't have to log into each account separately.

Mibew Messenger is an open-source live support application allowing visitors of your site to chat with your operators.

"Mibew Messenger" - is unique software allowing visitors of your site to chat with your operators. This repo should be treated as an obsolete. For modern version of Mibew Messenger see https://sourceforge.net/projects/mibew/

Yammy (Yahoo Messenger Archive Decoder) allows you to decode and view not only yours but, also other stored YM conversations. You don't even need a password!

KMess is an MSN/Live Messenger compatible chat client for Linux. The strength of KMess is it's integration with the KDE desktop environment, focus on Live Messenger specific features and an easy-to-use interface.

Valhalla Chat is a Bluetooth Instant Messenger (IM), that provides a common messaging platform for mobile phones, desktop computers and pdas.

ButiFree is a project to develop a catalan card game online (called "La botifarra").

El eggdrop en perl, bot programado en perl para la gestión de canales de irc. Altamente configurable y con soporte de base de datos MySQL.

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.

M2S is an application created by Jaume Segarra web-based, uses HTML5 code, PHP, Javascript and CSS to provide users of Firefox OS an application to send free messages. Being a web application, M2S is available for all devices with Internet access either mobile devices, computers or televisions SmarTV.

WebAPP: Web Automated Perl Portal is easily installed on virtually any UNIX-based server which is provided by all modern hosting plans. WebAPP is the most fully-featured, versatile, free and open-source, flat-file Perl portal script available today! ----

XUL Messenger is a MSN Messsenger client built in XUL technology. The appearance and the interaction is 99,99% like the Redmond product (MSN Messenger).

YACJ is yet another Jabber client, the intended main feature is to support encryption and digital signature being a secure client. It can also be used as a normal and easy-to-use Jabber client.

eZebra is a new p2p program with functions similar at eMule and Shareaza but we do not take it as a MOD of any of both. We understand it as "the start point of a new p2p generation". And we need you to make us believe we can do better!

A Jabber client written in Java using the Smack library.