Free, open-source, downloadable replacements for Matrix
Decentralized Bluetooth mesh and Nostr chat app — decentralized mesh chat
↔ alternative to Signal、Element、Matrix
Scalable messaging platform — Robust, Ubiquitous and Massively Scalable Messaging Platform (XMPP, MQTT, SIP Server)
↔ alternative to Matrix
Peer-to-peer chat powered by the web — :tv: P2P chat powered by the web.
↔ alternative to Telegram、Signal、Matrix
