Robrix is a free, open-source Matrix messaging client designed for decentralized communication across desktop and mobile devices. Built with Rust and the Makepad UI toolkit, it provides a native interface for connecting to Matrix homeservers. Users can participate in chat rooms, exchange direct messages, and browse conversation histories. The application supports formatted messages, image attachments, reactions, replies, and message editing. It includes end-to-end encrypted message decryption with device verification for secure conversations. Additional capabilities include room searching, membership management, read receipts, and offline message caching. Robrix also supports account authentication, user profiles, and Matrix Spaces. Developed through Project Robius, it targets Windows, macOS, Linux, Android, and iOS.
Features
- Decentralized Matrix messaging with group rooms and direct conversations
- End-to-end encrypted communication with device verification and message decryption
- Rich message formatting with image attachments, reactions, replies, and editing
- Room discovery, invitation management, user mentions, and conversation searching
- Offline message caching with persistent sessions and historical message navigation
- Cross-platform Rust interface with Matrix Spaces and user profile management