An alternative Telegram client based on TDLib, with higher speed, slicker animations and experimental features.




Quaternion is described as 'Cross-platform Qt5-based desktop IM client for Matrix, a reference desktop application using libQMatrixClient. Source code, issue tracker, roadmap etc. can be found at GitHub. Releases (with links to cross-platform source code archives, as well as binaries for' and is a instant messenger in the social & communications category. There are more than 50 alternatives to Quaternion for a variety of platforms, including Android, Linux, Mac, Windows and iPhone apps. The best Quaternion alternative is Signal, which is both free and Open Source. Other great apps like Quaternion are Telegram, Element, Tox and bitchat.
An alternative Telegram client based on TDLib, with higher speed, slicker animations and experimental features.




Cwtch - (a Welsh word roughly translating to “a hug that creates a safe place”) is a decentralized, privacy-preserving, multi-party messaging protocol that can be used to build metadata resistant applications.


Status combines a private messenger, secure crypto wallet, and Ethereum Web3 DApp browser into one powerful communication tool. Chat with friends and growing communities. Buy, sell, store, and exchange digital assets.




Fractal is a Matrix messaging app for GNOME written in Rust. Its interface is optimized for collaboration in large groups, such as free software projects.



Self-hosted communication platform with secure audio, video, chat, web conferencing, screensharing, advanced encryption, and metadata privacy, running on user-controlled servers, supporting web and mobile apps, and eliminating third-party data exposure.




LINE is transforming the way people communicate, closing the distance between family, friends, and loved ones for free.




WeChat is a complete mobile communication and private social networking app. Free, cross-platform, and full-featured, WeChat is the best way to keep in touch with everyone you care about.








ChatSecure is a free and open source messaging app that features OTR encryption over XMPP. You can connect to your existing accounts on Facebook or Google, create new accounts on public XMPP servers(including via Tor), or even connect to your own server for extra security.




Matrix-focused desktop chat client supporting secure end-to-end encrypted messaging, voice and video calling, file sharing, emoji, room and community management, multi-theme interface, presence/status, notifications, profiles, and plugin integration for Unix.











