Cost / License
- Free
- Open Source
Application type
Alerts
- Discontinued
Platforms
- Self-Hosted

Zulip is described as 'Threaded group chat with topics for live or async collaboration, open-source, supporting self-hosted or cloud use, suited for organized team discussions' and is a very popular instant messenger in the social & communications category. There are more than 100 alternatives to Zulip for a variety of platforms, including Android, iPhone, Web-based, Windows and iPad apps. The best Zulip alternative is Signal, which is both free and Open Source. Other great apps like Zulip are Telegram, Element, Discord and Matrix.

hack.chat is a minimal, distraction-free chat application. Channels are created and joined by going to https://hack.chat/?your-channel. There are no channel lists, so a secret channel name can be used for private discussions.
Source code : https://github.com/hack-chat/main.

Open source encrypted group-chat platform focused on privacy and efficiency, featuring Rust-based backend for speed, customizable interface, minimal data collection, real-time messaging, community-driven improvements, and ergonomic design for various use cases.





Braid is a new kind of group collaboration tool, designed for teams that hate interruptions and just want to get shit done.
Say goodbye to chatrooms, and say hello to Braid!.

we-talk is ultimate free web based application for group video call or one to one call, secured messaging and more modern.

RemoteHQ is revolutionizing collaborative browsing for teams with our Remote Browser, a multiplayer cloud-based browser.



Fully end-to-end encrypted business collaboration platform that is the only on the market supporting E2EE HD video conference up to 100 participants.




P2 is a flexible platform for teams to share, discuss, and collaborate openly and without interruption. It helps closed communication become more transparent and rich vs. restricted documents or email. P2 is built with WordPress & Gutenberg.








TeleGuard is the data-secure messenger from Swisscows. TeleGuard encrypts every message and all telephone calls with encryption algorithm currently available: SALSA 20. TeleGuard servers are located in Switzerland, they are not subject to the data protection laws of the EU /...




