Matrix
Open standard for decentralized, encrypted real-time communication; reference server Synapse.
Why it is included
Matrix, the open protocol for secure decentralised communications
Best for
Federated chat bridging to IRC, Slack bridges, and Element clients.
Strengths
- Open source
- Transparent development
Limitations
- Verify license fit for your deployment
Good alternatives
Related tools
Communication & Collaboration
Element (Matrix)
Matrix client for federated, E2EE-capable real-time communication.
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Wire
E2E-encrypted team chat, calls, and file sharing.
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Signal
E2EE messenger with conservative security posture and broad adoption.
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Rocket.Chat
Team chat platform with channels, threads, video, and broad integration marketplace.
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Zulip
Thread-first team chat combining email-like topics with real-time messaging.
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Delta Chat
Messenger using email as transport—chat over your existing IMAP/SMTP accounts.