Here are some of the best open source alternatives to Discord as of 2026:
1. Rocket.Chat
A leading open-source alternative, offering real-time messaging, video calls, and file sharing. It’s highly customizable and suitable for teams of all sizes.
2. Element (Matrix)
Built on the Matrix protocol, Element provides end-to-end encrypted chat, voice, and video calls. It’s decentralized, supports federation, and is available on all major platforms.
3. Mattermost
Designed for developers and high-security environments, Mattermost integrates with tools like GitLab and Jenkins. It’s self-hostable and focuses on compliance and security.
4. Mumble
A privacy-first, open-source voice chat platform with ultra-low latency and encrypted communications. It’s ideal for real-time coordination and can be self-hosted on lightweight hardware.
5. Jami
Formerly Ring, Jami is a fully decentralized, peer-to-peer communication platform. It supports messaging, voice, and video calls with a strong focus on privacy.
6. Fluxer
An open-source (AGPL) platform based in Sweden, Fluxer is designed for privacy and self-hosting. It’s currently in active development and offers both free and enterprise options.
7. Stoat (née Revolt)
A free, open-source, user-first chat platform that recently rebranded. It aims to provide a community-driven alternative to Discord.
8. Zulip
Known for its topic-based threading, Zulip is great for organized team communication and integrates well with other open-source tools.
9. Cinny
A lightweight Matrix client, Cinny is user-friendly and offers a modern interface for Matrix/Element users.
10. Jitsi Meet
While primarily a video conferencing tool, Jitsi offers text chat, screen sharing, and is fully open source. It’s web-based and supports large meetings.
Key Considerations
Self-hosting: Most of these platforms allow you to host your own server, giving you full control over your data.
Privacy: Many focus on end-to-end encryption and decentralized architectures.
Community & Features: Some are more mature (like Element and Rocket.Chat), while others are still evolving (like Fluxer and Stoat).
Would you like a deeper comparison of a specific platform, or are you looking for something tailored to a particular use case (e.g., gaming, business, or privacy)?
Mar 18, 1:27am
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