C Communication systems

Open-source C projects categorized as Communication systems

Top 9 C Communication system Projects

  • toxcore

    The future of online communications.

  • weechat

    The extensible chat client.

  • kamailio

    Kamailio - The Open Source SIP Server for large VoIP and real-time communication platforms -

  • asterisk

    Mirror of the official Asterisk (https://www.asterisk.org) Project repository. No pull requests here please. Use Gerrit:

    Latest mention: ARI: Trying to play a sound file from URI | reddit.com/r/Asterisk | 2021-01-12

    In this case, that registered provider is res_http_media_cache which handles http and https. Since there's no provider today that handles file, those error out.

  • exim

    Exim Mail Transport Agent - source, testsuite and documentation

  • core

    Dovecot mail server

  • OpenSMTPD

    This is official OpenSMTPD Portable repository. Forks, pull requests and other contributions are welcome!

  • ngircd

    Free, portable and lightweight Internet Relay Chat server

  • courier

    Courier Mail Server

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).


What are some of the best open-source Communication system projects in C? This list will help you:

Project Stars
1 toxcore 8,637
2 weechat 2,073
3 kamailio 1,299
4 asterisk 933
5 exim 532
6 core 517
7 OpenSMTPD 354
8 ngircd 283
9 courier 46