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Discourse

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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 screenshot

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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