Rocket.Chat
Open-source team communication platform
About Rocket.Chat
Rocket.Chat is an open-source messaging and collaboration platform providing secure team chat, video conferencing, file sharing, and omnichannel customer engagement with self-hosted and cloud deployments.
Pros & Cons
Pros
- Open-source with self-hosted option
- Free tier for 50 users
- Highly customizable via API
- Omnichannel capabilities
- Real-time translation
Cons
- Steeper learning curve than Slack
- UI less polished
- Self-hosted requires expertise
- Notification reliability issues
Key Features
Real-Time Messaging
Channels, DMs, and threaded conversations.
Audio & Video Conferencing
Built-in calling with screen sharing.
Omnichannel Engagement
WhatsApp, Messenger, SMS, and LiveChat in one inbox.
E2E Encryption
Enterprise-grade security with 2FA and SSO.
Self-Hosted
Deploy on your own infrastructure.
Real-Time Translation
Auto-translate messages into 37+ languages.
Extensible API
Open API with marketplace apps.
Pricing
- Up to 50 users
- 100 omnichannel contacts
- Push notifications
- Unlimited users
- Priority support
- Custom roles
- Custom deployment
- Dedicated support
- Air-gapped deployment
Best For
Secure Internal Communication
Self-hosted messaging with E2E encryption.
Omnichannel Support
Unified inbox for all customer channels.
DevOps Collaboration
Integrations with GitHub, Jira, CI/CD.
Global Teams
Real-time translation for 37+ languages.
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Featured In
7 Best Open-Source Team Communication Platforms You Can Self-Host (2026)
Best for teams that need internal communication and customer-facing messaging in a single self-hosted platform. The omnichannel capabilities eliminate the need for a separate help desk tool.
Mattermost vs Rocket.Chat: Which Self-Hosted Slack Alternative Wins? (2026)
Best for organizations that need self-hosted internal chat AND customer-facing omnichannel communication in a single platform, especially global teams needing built-in translation.
5 Tools That Stop Your Team From Using Personal WhatsApp for Work (2026)
Best free option for small teams and multilingual organizations — Rocket.Chat's 50-user free tier and real-time translation address two of the most common reasons teams fall back on WhatsApp.
Slack Alternatives That Don't Destroy Deep Work (2026)
Best for teams that want a familiar Slack-like experience with admin-enforced notification controls and no per-user costs — the easiest migration path from Slack that still improves focus.
Slack Alternatives That Are Actually Free for Small Teams (2026)
Best Slack alternative for small SaaS teams or agencies who also need customer chat and omnichannel support in the same tool.