- [Tiny Tiny IRC](https://tt-rss.org/tt-irc/) - An open source AJAX-powered chat platform with support for IRC ([Source Code](https://git.tt-rss.org/fox/tt-irc)). `GPL-3.0``PHP/Java`
- [Tiny Tiny IRC](https://tt-rss.org/tt-irc/) - An open source AJAX-powered chat platform with support for IRC ([Source Code](https://git.tt-rss.org/fox/tt-irc)). `GPL-3.0``PHP/Java`
- [UnrealIRCd](https://www.unrealircd.org/) - Modular, advanced and highly configurable IRC server written in C for Linux, BSD, Windows, and macOS. ([Source Code](https://github.com/unrealircd/unrealircd)) `GPL-2.0``C`
- [UnrealIRCd](https://www.unrealircd.org/) - Modular, advanced and highly configurable IRC server written in C for Linux, BSD, Windows, and macOS. ([Source Code](https://github.com/unrealircd/unrealircd)) `GPL-2.0``C`
- [Weechat](https://weechat.org/) - Fast, light and extensible chat client. `GPL-3.0``C`