Rocket.Chat (https://rocket.chat) is the leading open source Slack alternative - for communities or organizations looking for the ultimate communication platform. With 20.5k stars on GitHub and more than 800 contributors, we are the largest and most active open source team chat community.
Rocket.Chat is an open source team chat collaboration platform that allows users to communicate securely in real-time on web, desktop or mobile and to customize their interface with a range of plugins, themes and integrations with other key software.
Users can set up Rocket.Chat on cloud or by hosting their own servers on-premises, and the platform can be installed on Linux, FreeBSD, macOS and Windows as well as on Android and iOS. Rocket.Chat Marketplace launched in September 2018, enabling users to build, browse and download apps on Rocket.Chat’s newest app ecosystem.
By opting for Rocket.Chat, users also benefit from audio and video conferencing, guest access, screen and file sharing, LiveChat, LDAP Group Sync, two-factor authentication (2FA), E2E encryption, SSO, dozens of OAuth providers and unlimited users, guests, channels, messages, searches and files.
Rocket.Chat is the only team chat service to offer cutting edge machine learning for automatic real-time message translation between users. Our user interface is offered in 37 languages, and we are constantly adding more thanks to our active open source community.