Hyphanet (former Freenet) is free software which lets you anonymously share files, browse and publish "freesites".



Matrix is described as 'Defines a set of open APIs for decentralised communication, suitable for securely publishing, persisting and subscribing to data over a global open federation of servers with no single point of control' and is a very popular instant messenger in the social & communications category. There are more than 100 alternatives to Matrix for a variety of platforms, including Android, Web-based, Linux, Mac and Windows apps. The best Matrix alternative is Signal, which is both free and Open Source. Other great apps like Matrix are Telegram, Element, Discord and Pidgin.
Hyphanet (former Freenet) is free software which lets you anonymously share files, browse and publish "freesites".



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




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



Full-fledged Discord alternative. The communication platform for gamers and those who want to get rid of Discord. Written in tauri, very lightweight.




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].




Quiet is an alternative to team chat apps like Slack, Discord, and Element that does not require trusting a central server or running one's own. In Quiet, all data syncs directly between a team's devices over Tor with no server required.


A Matrix client where you can enjoy the conversation using simple, elegant and secure interface protected by e2ee with the power of open source.




GNUnet is a framework for secure peer-to-peer networking that does not use any centralized or otherwise trusted services. A first service implemented on top of the networking layer allows anonymous censorship-resistant file-sharing.



Berty is a secure peer-to-peer messaging app that works with or without internet access, cellular data or trust in the network. Berty is a privacy-first messaging application built on top of the Berty Protocol.




XMPP, or Extensible Messaging and Presence Protocol, is an open standard for instant messaging and real-time communication, allowing for message exchanges between any two entities on the Internet. It's known for its decentralized and extensible nature.
Powered by WebRTC, Real-time video call, chat room and screen sharing entirely browser based.



Decentralized messenger featuring end-to-end encryption for individual and group chats, no registration needed, no tracking or metadata logs, IP address protection, secure attachment sharing, multi-device sync, dark mode, open-source code, and ad-free use.




XMPP is one of the only real alternatives to Matrix on this list. It is an open standard for decentralized communication. There are many differences between the Protokoll, but they aim to do similar things.