The best open source alternative to Discord is Element. It's not free, so if you're looking for a free alternative, you could try Element or Mumble. If that doesn't suit you, our users have ranked more than 100 alternatives to Discord and loads of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Discord are Signal, Zulip, Matrix and Jami.
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.
Campfire is an installable, self-hosted group chat system. Easily invite people. Make rooms. @mentions, DMs, and mobile support. The basics done right. And since you get the code and host it yourself, you can customize it however you’d like for your own use.
Common Ground is a browser-based, open-source social platform for communities, built as a robust alternative to Discord.
Twake Chat is a secure, open source messaging platform designed for enterprises. It offers seamless integration of chat, video conferencing, file sharing, and email, and more.
Awesome hosting for Matrix chat and integrations - built on the Matrix open ecosystem for secure, decentralised communication, by the creators of Matrix.
Fast open source Slack desktop app, written in Node.js with native UI powered by the Yue library.
Nertivia is an chat client that allows you to chat to anyone across the world. There are a lot of features that don't require you to pay at all such as, gif profile pictures, free custom emojis and more coming soon!
0xchat is a secure chat app built on the Nostr protocol. It prioritizes security, featuring private key login, encrypted private chats and contacts, encrypted group chats.
jami-commander (jc for short) is a simple but convenient CLI-based Jami client app for setting up accounts and swarms as well as sending.
Peer-to-peer group video chat using WebRTC. Audio and video streaming, desktop sharing, and text chat.
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.
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