9 self-hosted Google Hangouts alternatives

Tinode is an open source instant messaging platform with a Go backend, web/mobile clients, JSON WebSocket and gRPC APIs, and support for one-to-one and group chat.

13.4k stars2.1k forksGPL-3.0last commit 4 Jul 2026Actively maintained

Element is a Matrix client for secure team messaging and collaboration, offering end-to-end encrypted chats and calls with interoperability across the Matrix network.

13.3k stars2.7k forksAGPL-3.0last commit 27 Jul 2026Actively maintained

Synapse is a Matrix homeserver implementation for running federated, secure real-time chat and collaboration on your own infrastructure.

4.5k stars571 forksAGPL-3.0last commit 27 Jul 2026Actively maintained

Converse.js is an open-source, client-side web XMPP/Jabber chat app that can run standalone or be embedded into sites, with group chat and OMEMO encryption.

3.3k stars833 forksMPL-2.0last commit 24 Jul 2026Actively maintained

Movim is a federated social platform and web-based XMPP client for blogging, chat, communities, and real-time messaging with a responsive cross‑platform interface.

2k stars279 forksAGPL-3.0last commit 26 Jul 2026Actively maintained

Continuwuity is a fast, lightweight Matrix homeserver written in Rust, focused on stability, performance, and improved Matrix specification compliance for federation.

Activity unknown

Prosody IM is a modern, resource-efficient XMPP (Jabber) server written in Lua, designed to be easy to configure and extend for private messaging and federation.

Activity unknown

A single-binary, low-resource Matrix homeserver in Rust; simple setup, RocksDB (default) or SQLite backends, built with axum and Ruma.

Activity unknown

Libervia is a modular XMPP-based communication suite offering chat, microblogging, file sharing, and other social features across web, desktop, and CLI interfaces.

Activity unknown