Virola Messenger

Instant messaging and collaboration tool with private and group chat rooms, continuous voice and video meetings, files sharing, issue tracking with integrated task board. Alternative to Slack and others.

Communication ⊘ Proprietary C++

Visit Website Source Code

Discover more

3CX

Full-featured PABX system, with call queues, built-in web conferencing, live chat and social media messaging all on one system.

Communication ⊘ Proprietary Unknown

6/5/2026 Details →

Chatwoot

Customer communication platform (alternative to Intercom & Zendesk).

Communication ⊘ Proprietary Ruby Docker K8S

6/5/2026 Details →

EmailRelay

A small and easy to configure SMTP and POP3 server for Windows and Linux.

Communication GPL-3.0 C++

6/5/2026 Details →

Groupboard

Online whiteboard, audio/video conferencing, screen sharing, shared code editing and optional session recording/playback.

Communication ⊘ Proprietary Unknown

6/5/2026 Details →

InspIRCd

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

Communication GPL-2.0 C++Docker

6/5/2026 Details →

Jami

Universal communication platform which preserves the user's privacy and freedoms.

Communication GPL-3.0 C++

6/5/2026 Details →