
Open-source team communication platform
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.
Channels, DMs, and threaded conversations.
Built-in calling with screen sharing.
WhatsApp, Messenger, SMS, and LiveChat in one inbox.
Enterprise-grade security with 2FA and SSO.
Deploy on your own infrastructure.
Auto-translate messages into 37+ languages.
Open API with marketplace apps.
Self-hosted messaging with E2E encryption.
Unified inbox for all customer channels.
Integrations with GitHub, Jira, CI/CD.
Real-time translation for 37+ languages.
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.
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.

Free, open-source code editor from Microsoft