Open Source Encrypted Communication Tools using Sentry
A curated collection of the best open source communication tools that use end-to-end encryption. using Sentry.
Secure collaboration platform for mission-critical work
Stars
39,473Last commit
12 hours agoLicense
Unknown
Mattermost provides a flexible, open-source platform for secure team collaboration, designed for organizations with strict security and privacy requirements.
Open Source Alternative to:
Open source messaging with privacy and community focus
Stars
10,723Last commit
12 hours agoLicense
AGPL-3.0
Free, open-source instant messaging and VoIP platform with full Markdown support, voice/video calls, moderation tools, and self-hosting options for communities.
Open Source Alternative to:
Secure, decentralized messaging for teams and individuals
Stars
13,633Last commit
14 hours agoLicense
AGPL-3.0
Open-source platform for encrypted communication, file sharing, and collaboration based on the Matrix protocol.
Open Source Alternative to:
Group chat for friends and communities, without the baggage
Stars
3,428Last commit
12 hours agoLicense
Unknown
Self-hostable group chat with servers, channels, voice, and moderation tools. No ads, no data mining, built under EU privacy law.
Open Source Alternative to:
Postiz – The All-in-One agentic social media scheduling tool
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