The best open source alternative to Telegram is Signal. If that doesn't suit you, our users have ranked more than 100 alternatives to Telegram and loads of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Telegram are Element, Tox, Wire and Matrix.
VeilidChat is a 1-to-1, person-to-person text only chat application which serves as a technology demonstration for the Veilid application development framework. All communication is end to end encrypted, authenticated, private routed, and peer-to-peer. It's currently in early beta.
A fork of Signal for Android with proprietary Google binary blobs removed. Uses OpenStreetMap for maps and a websocket server connection, instead of Google Maps and Firebase Cloud Messaging.
Open source encrypted group-chat platform focused on privacy and efficiency, featuring Rust-based backend for speed, customizable interface, minimal data collection, real-time messaging, community-driven improvements, and ergonomic design for various use cases.
Valour is an open-source, privacy focused alternative to platforms like Discord or Slack, developed by a small team of volunteers. The app has been in development for over three years and is currently in it's alpha stages of testing.
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.
Kotatogram Desktop is an modified version of official Telegram Desktop app. Aside from having all features that official app does, it has some more features, such as:
Technitium Mesh is a secure, anonymous, peer-to-peer (p2p), open source instant messenger designed to provide end-to-end encryption. Primary aim of developing this instant messenger is to provide privacy which is achieved using cryptography and anonymity using Tor network.
Lightweight and powerful XMPP client for iPhone and iPad, with audio and video calls and built-in privacy
AyuGram is a Telegram client focusing on improving life with features that can't be implemented in regular clients.
United States
United Kingdom
India
