Diaspora is a federated social networking service, designed to be a more privacy-aware alternative to Facebook . Share what you want, with whom you want.
Cost / License
- Free
- Open Source
Application types
Platforms
- Online
- BSD
- Self-Hosted
- Ruby




Librem Chat is described as 'End-to-end encrypted chat, VOIP, and video calling used by millions of people' and is a Video Calling app in the social & communications category. There are more than 100 alternatives to Librem Chat for a variety of platforms, including Android, Windows, iPhone, Mac and Linux apps. The best Librem Chat alternative is Signal, which is both free and Open Source. Other great apps like Librem Chat are Telegram, Element, Discord and Matrix.
Diaspora is a federated social networking service, designed to be a more privacy-aware alternative to Facebook . Share what you want, with whom you want.




Wire is the most secure collaboration platform featuring messenger, voice, video, conference calls, file-sharing, and external collaboration –all protected by the most secure end-to-end-encryption.



Jitsi Desktop (previously SIP Communicator) is a legacy audio/video and chat communicator with full encryption, precedessor of Jitsi Meet .




Threema is a new mobile messaging app that puts security first. With true end-to-end encryption, you can rest assured that only you and the intended recipient can read your messages.



Threema is the most popular commercial alternative to Librem Chat.
Mattermost is a secure, open source platform for communication, collaboration, and workflow orchestration across tools and teams.




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 .




Embrace lag-free, secure voice chats with TeamSpeak, offering cross-platform compatibility and low CPU usage. Enjoy advanced audio controls, push-to-talk, in-game overlay, and security-focused privacy features, tailored for gamers seeking seamless communication.




Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.




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.



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


