Discourse vs Fluxer

Comparing two open source alternatives to Discord and Slack. Use the comparison below to decide which one fits your needs.

Discourse

GPL-2.0

Open source community forum platform combining long-form discussion, real-time chat, and strong moderation. Self-host it or use managed hosting.

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Fluxer

AGPL-3.0

A free and open source instant messaging and VoIP chat app for friends, groups, and communities.

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Side-by-side comparison

	Discourse	Fluxer
License	GPL-2.0	AGPL-3.0
Self-hostable	Yes	Yes
GitHub Stars	47,925	10,468
Forks	9,024	779
Open Issues	237	153
Last Commit	Sep 30, 2026	Oct 1, 2026
First Released	Jan 12, 2013	Jan 1, 2026
Categories	Team Chat & Messaging Tools	Team Chat & Messaging Tools
Tags	#forum #chat	#chat #messaging #voice chat #community #self hosted

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