Apps similar to Synapse Chat Server include Matrix, which is free and open source. Other options are Tuwunel, Conduit Chat Server and Dendrite. In total there are four Group Chat Apps like Synapse Chat Server for self-hosting, Linux, the web, Android and Mac.
Open standard protocol enabling decentralized, encrypted instant messaging, VoIP signaling, IoT device connectivity, and persistent data management across federated servers without central control or single points of failure, bridging communication platforms.
United Kingdom
Tuwunel is a high-performance Matrix homeserver written entirely in Rust — the official successor to conduwuit, sponsored by the Swiss government and deployed for citizens.
Conduit is a simple, fast and reliable chat server powered by Matrix. Conduit is an alternative to Synapse and tries to be lightweight and easy to install, but it is still in development.
-Efficient: A small memory footprint with better baseline performance than an out-of-the-box Synapse.
United States
