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Unified Communications Software

Rocket.Chat

Open source team messaging and secure communications platform for self-hosted, air-gapped or cloud use

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About Rocket.Chat

Rocket.Chat is an open source communications platform that combines team messaging, voice, video and customer conversations in one system. Its current positioning stresses secure operation in high-risk settings such as defence, intelligence and critical infrastructure.

What Rocket.Chat offers

  • Team messaging — real-time chat, voice and video for internal and external stakeholders.
  • Omnichannel inbox — customer messages from email, Messenger, Twitter, WhatsApp, SMS and live chat in one team inbox.
  • Deployment choices — self-hosted, on-premises, air-gapped or secure cloud.
  • Security — end-to-end encryption, a zero-trust model and ISO 27001 certification.
  • App connections — an extensible design that links to other tools.

Who it works with

Secure organisations and regulated bodies worldwide, as well as companies that want to talk to customers across many channels.

Key facts

  • Certifications: ISO 27001 and WCAG 2.1 Level AA conformance.
  • Usage: more than 12 million users in over 150 countries, per earlier listing text.

Profile written by TrustList from the business's own published information, Oct 2026.

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What the business tells TrustList

Security certifications
ISO 27001 evidence sent

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