Fossify Messenger is your trusted messaging companion, designed to enhance your messaging experience in various ways.




Signal-FOSS is described as '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' and is a instant messenger in the social & communications category. There are more than 50 alternatives to Signal-FOSS for a variety of platforms, including Android, Windows, iPhone, Mac and Linux apps. The best Signal-FOSS alternative is Signal, which is both free and Open Source. Other great apps like Signal-FOSS are Telegram, Element, Matrix and Tox.
Fossify Messenger is your trusted messaging companion, designed to enhance your messaging experience in various ways.




Zulip is the only modern team chat app that is designed for both live and asynchronous conversations. Zulip topics create a separate space for each discussion, so different conversations will never get in each other's way.




RetroShare is a open source cross-platform, private and secure decentralized communication system. It lets you to securely chat, share photos, videos, and more, using OpenPGP to authenticate peers and .




Provides a chat experience over email, with all messages and contacts stored on user devices, open source code, group media support, and compatibility with any provider. No central servers, no tracking, works without SIM, and can be used by anyone just via email.




Offers secure messaging with end-to-end encryption, unlimited free calls, group chats for up to 250 members, rich media sharing, emoji reactions, AR lenses, self-destruct messages, affordable international calls, community channels, and robust privacy across devices.




Linphone is one of the most famous open source softphones in the world. It is fully SIP-based, for all calling, presence and IM features.




FluffyChat is an open, nonprofit and cute matrix messenger app for Ubuntu Touch, Android and iOS.



Keybase is a new and free security app for mobile phones and computers. For the geeks among us: it's open source and powered by public-key cryptography.




Conversations is a privacy focused, open source XMPP Texting [Jabber] client for Android 4.0+ smart phones with wife-approved easy encryption [OTR, OMEMO, or GPG].




Trillian is an instant messaging app that works on phones, tablets, and desktops while keeping your chats neatly synchronized between all of them! We think conversation should be easily shared between all of your devices, not trapped as text messages on your phone.




Provides comprehensive communication features including group video calls, voice calls, fast messaging, photo sharing, and location mapping. Access through mobile and web platforms with real-time notifications, ensuring seamless interactions using multimedia tools.



