Free Communication Software for Linux

aMSN (Alvaro's Messenger or Another MSN messenger) is an open source application based on the Compu's Messenger (CCMSN) software and engineered from the ground up to be a clone of the official MSN Messenger client created by Microsoft for its...

Linphone is an open source and multi-platform web phone application that lets users to call their friends from anywhere in the world without paying for more that the actual cost of their Internet connection. Similar to Skype, the application provides...

F-IRC is a free and open source command-line application implemented in C and designed to provide users with a console/command-line IRC (Internet Relay Chat) client, supporting multiple servers, scrollback, and all the basic features one can expect from...

vmm is an open source, freely distributed, configurable and easy to use command-line software implemented in the Python programming language and designed for postmasters and administrators who want to manage mail accounts, mail domains, alias-domains, as...

irker is an open source command-line software written in Python and designed as an IRC (Internet Relay Chat) client. It runs in the background, as a daemon.irker is able to accept notification requests as JSON objects and it's meant to be used by...

Ingo is an open source web-based software, a plugin for the Horde Groupware application that provides a manager for email filter rules. It was originally designed as a front-end for the Sieve filter language.The software is engineered in such a way that...

email2trac is an open source, freely distributed and platform-independent command-line software implemented in Python and comprised of several utilities that can be used for easily and quickly converting emails to tickets for the Trac issue tracking...

Nullmailer is a very small, open source and totally free command-line software implemented in C++ and designed for GNU/Linux and UNIX-like operating systems, as a MTA (Mail Transport Agent) replacement of your default mail transport agent.A powerful...

Twisted is a completely free, multiplatform and open source web framework, an event-driven networking engine written in the Python programming language and specifically engineered to help Python developers write network-based applications. Includes...

Clement is a completely free and open source command-line/web-based software project implemented in C and designed from the offset to work as an e-mail server firewall, with the main purpose of trapping most of the unwanted messages (also known as spam)...