Open Source C Messaging Platforms for Linux

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.

The gSOAP toolkit is an extensive suite of portable C and C++ software to develop XML Web services with powerful type-safe XML data bindings. Easy-to-use code-generator tools allow you to directly integrate XML data in C and C++. Serializes native application data in XML. Includes WSDL/XSD schema binding and auto-coding tools, stub/skeleton compiler, Web server integration with Apache module and IIS extension, high-performance XML processing with schema validation, fast MIME/MTOM streaming, SOAP and REST Web API development, WS-* protocols (WS-Security, WS-Policy, WS-ReliableMessaging, etc), XML-RPC and JSON. Licensed under GPLv2. Visit the developer center with guides, tutorials, and examples at www.genivia.com/dev.html The documentation of the toolkit, libraries, plugins and more is available at www.genivia.com/docs.html Commercial-use licenses and expert technical support services are available at competitive pricing levels, please visit www.genivia.com/products.html

A very nice MSN compatible messenger application, aMSN Messenger is a multiplatform MSN messenger clone. Works pretty much like its Windows based counterpart. Perfect for keeping in touch with those friends who have not yet seen the light. Works on linux

Tox is a peer to peer (serverless) instant messenger that focuses on security and privacy. In today's world where digital surveillance is rampant, Tox offers users a communication software alternative that's free from prying eyes and ears, and is, quite literally free and without advertising. Tox comes with all the great features you'd expect from an instant messenger application, including voice calls, video calls, file sharing and screen sharing. Everything done on Tox is encrypted using open-source libraries so you can be assured of completely private conversations. It also has no central servers that can be raided, shut down, or forced to turn over data. There are no corporate interests, no hidden agendas-- just simple, secure and easy to use messaging.

Toxic is a Tox protocol-based command-line messenger for Linux, offering fully encrypted, decentralized, and serverless instant messaging. It includes features such as text messaging, file transfer, and audio calls—all without requiring user accounts or central servers. Toxic is designed for power users who prefer a minimalist interface, operating entirely within a terminal while delivering strong privacy through the Tox peer-to-peer protocol. It’s lightweight, fast, and ideal for use in low-resource or remote systems.

Licq is an ICQ/AIM clone written fully in C++. It uses an extensive plugin system to manage many different functions including the MSN protocol. The main GUI is written using the Qt widget set.

ufdbGuard is a URL filter to block unwanted web content on the internet. ufdbGuard can also enforce Google SafeSearch, detect UltraSurf, Tor, Skype and other chat applications, proxy tunnels and enforce safer HTTPS traffic. ufdbGuard is a redirector for the Squid web proxy with 200,000 URL verifications/second. ufdbGuard integrates with user authorities like LDAP, Kerberos and Active Directory to assign different policies to different groups of users. Contact the support desk at www.urlfilterdb.com for information about the ufdbGuard API which can be integrated in 3rd party applications.

It's just another Instant Messenger based on jabber

Fire is a multi-protocol instant messenger client for Mac OS X based on freely available libraries for each service. Currently Fire handles AOL Instant Messenger®, ICQ®, MSN® Messenger, Jabber, limited IRC, Yahoo!®, and Apple Bonjour communications.

Instant messenger client for GNUstep. Using Björn Giesler's port of the AddressBook framework, Angelos accesses the user's addressbook to produce a buddylist with real names and photos.

Ayttm is an instant messenger program, supporting various protocols such as MSN, Yahoo, AIM, Jabber, and more. It is the heir of the Everybuddy project, and aims to continue improving the program and addressing its shortcomings.

BIV is an simple instant messenger for linux systems. It contains a server and a client using a special protocol.

CURD is GTK+ Instant Messenger

An Instant Messenger client for the Enlightenment 0.17 window manager

Now,here's the work going on a better,easier INSTANT MESSENGER that allows users to communicate with each other,it allows to communicate with existing yahoo and MSN messenger users.along with that it aims to provide excellent audio and video data exchang

KYIM is a KDE Instant Messenger Client compatible with Yahoo networks. KYIM is formerly known as KYahoo.

"Now Playing" plugin for Pidgin instant messenger

PlanetaMessenger.org is a Instant Messenger with support to all well known instant messenger networks including ICQ,MSN,AIM,Yahoo! and Jabber through a powerfull plugin engine. PlanetaMessenger.org support multiples look and feels, plugins and profiles.

The 'secims' project intends to implement many2many secure group communication as a plugin to Gaim instant messenger.

eConnector is an Instant Messaging software for both Win32 and UNIX OSs. This project is really dead.

GTK+ port of EZ Intranet Messenger. It's decentralized nature makes it suitable for casual use at home, or within a small to medium size office. It is fully compatible with the Java Swing counterpart meaning that status changes, private messages, public chat, and file transmissions all work across the two types of clients.

gaim-interface is a plugin for the Gaim multi-protocol instant messaging software to add a single point of access command-line interface.

Gtmess is a console msn messenger client for linux and other unix (POSIX) systems. Apart from the basics (chat windows, file transfers), it offers full unicode (utf-8) support and some advanced features like spoofing the typing user, detection of users that login as invisible etc.

metalicblue is a instant messenger server and client will very versatile and feturefull also free for linux/unix if you would like to join the project please email admin@kc8yho.org need developers and programmers always needing help and very nice team m

Pidgin-ConvReverse is a pidgin plugin. It reverses any word on all conversation.