Yeti-Switch

Modular IRC server written in C++ for Linux, BSD, Windows, and macOS.

Distributed IRC client, meaning that one (or multiple) client(s) can attach to and detach from a central core.

Secured and decentralized communication system. Offers decentralized chat, forums, messaging, file transfer.

Easy to use but advanced IP PBX system, VoIP gateway and conference server.

Powerful plugin that takes your WordPress.org powered site beyond the blog with social-network features like user profiles, activity streams, user groups, and more.

Full featured live chat, help center and CRM as an alternative to Intercom & Drift, Crisp and others.