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OpenAlternative

Open Source Session Alternatives

A curated collection of the 3 best open source alternatives to Session.

The best open source alternative to Session is Signal. If that does not suit you, we have compiled a ranked list of other open source Session alternatives to help you find a suitable replacement.

Session alternatives are mainly AI Agent Platforms 21. Browse these if you want a narrower list of alternatives or are looking for a specific functionality of Session.

Written by OpenAlternative Last updated: June 2, 2026
#1

Signal

Secure messaging app with state-of-the-art encryption, voice/video calls, group chats, and file sharing. No ads, trackers, or data collection.

Secure messaging app with state-of-the-art encryption, voice/video calls, ...

#2

Cinny

Cinny offers a simple, elegant, and secure interface for Matrix-based conversations, protected by end-to-end encryption.

Cinny offers a simple, elegant, and secure interface for Matrix-based conv...

#3

Stoat

Self-hostable group chat with servers, channels, voice, and moderation tools. No ads, no data mining, built under EU privacy law.

Self-hostable group chat with servers, channels, voice, and moderation too...