Rocket.Chat is the leading free open source team chat Slack alternative.
With 15.3k stars on GitHub and more than 600 contributors across our products, we are the largest and most active open source team chat community.
Rocket.Chat is free, unlimited and open source. Replace Slack with the ultimate team chat software solution.
Free audio and video conferencing, guest access, screen sharing, file sharing, LiveChat, LDAP Group Sync, two-factor authentication (2FA), E2E encryption, SSO, dozens of OAuth providers and unlimited:
With Rocket.Chat LiveChat you can add real-time chat widgets to any website or mobile app and get more value from your team chat.
Ditch other systems and use one communication platform to save time and money. Create a user support helpdesk, answer customer queries and convert leads.
Rocket.Chat uses cutting edge machine learning for automatic real-time message translation between users.
Our user interface has been translated to over 37 languages, more than any other team chat service.
With our web, desktop (Windows, MacOS, Linux (Deb, RPM)), mobile (iOS, Android) and LiveChat clients and SDKs you chat from anywhere.
When you are offline, our robust notification system will make sure you never miss anything important. Forget about email, communicate in real-time without restrictions.
Integrations, plugins, themes, data importers, powerful APIs, documentation and marketplace (coming 2018).
Easily add custom features and change anything about Rocket.Chat to meet your needs.
We have used Rocket.Chat for a year and a half, we love that we can host it on our own infrastructure, giving us confidence about our data security and application control.