
Discourse
Modern discussion forum and community platform
47.7k stars 9k forks last commit first released GPL-2.0
Actively maintained
Last commit 27 Aug 2026.

Discourse is a modern, open-source platform for community discussion that helps teams and public communities turn conversations into a searchable knowledge base. It combines long-form topics, messaging, and administration tools designed for healthy, scalable communities.
Key Features
- Topic-based discussions with rich editor, notifications, and user trust levels
- Powerful moderation toolkit (flagging, user controls, rate limits, spam mitigation)
- Built-in real-time chat, private messages, and email-in/out workflows
- Extensive customization via themes, components, and a plugin ecosystem
- Admin dashboard and site settings for managing roles, groups, and permissions
- Full-text search and SEO-friendly structure for discoverable public content
Use Cases
- Customer support communities to deflect tickets and centralize FAQs
- Internal team discussion spaces that retain institutional knowledge
- Product or developer communities with structured feedback and moderation
Discourse is a robust choice for organizations that need a configurable forum with strong moderation, extensibility, and long-term knowledge retention. It scales from small communities to large deployments while keeping discussions organized and searchable.
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