Discourse is an open-source communication & social tool — Discussion forum and community platform with topics, categories, and moderation tools.

Is Discourse free and open source?

Yes. Discourse is free and open source, released under the GPL-2.0 license. You can view and contribute to the source at https://github.com/discourse/discourse.

What are open-source alternatives to Discourse?

Other open-source communication & social tools on OSSDrop include Mastodon, Rocket.Chat, Mattermost, Chatwoot.

Discourse

Curated

Discussion forum and community platform with topics, categories, and moderation tools.

Visit discourse.org Source

Communication & Social·GPL-2.0·47.6k stars·v2026.8.0-latest.1·added 2026-07-27

Curated listing — added by OSSDrop, not the maker.

Frequently asked

What is Discourse?
Discourse is an open-source communication & social tool — Discussion forum and community platform with topics, categories, and moderation tools.
Is Discourse free and open source?
Yes. Discourse is free and open source, released under the GPL-2.0 license. You can view and contribute to the source at https://github.com/discourse/discourse.
What are open-source alternatives to Discourse?
Other open-source communication & social tools on OSSDrop include Mastodon, Rocket.Chat, Mattermost, Chatwoot.

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