{"category":{"slug":"open-source-community-platforms","label":"Open-source community platforms"},"methodology_url":"https://www.orbator.io/ai-index/methodology","license":"Free to use with attribution to orbator.io","date":"2026-08-10","engine":null,"available_dates":["2026-08-10","2026-08-09","2026-07-29","2026-07-25","2026-07-22","2026-07-05","2026-07-04","2026-06-17"],"policy":{"quotable_engines":["anthropic","openai","gemini"],"max_excerpt_chars":400,"full_text_public":false,"customer_runs_public":false,"full_text_retention":"retained at least 24 months, then operator review","notes":["Only Index category runs are archived publicly — customer scans never appear.","The quotable unit is a short excerpt of at most 400 characters, never the full answer.","Engines outside the verbatim allowlist are recorded as having answered, with the excerpt withheld under their terms.","Prompt intent is published; the prompt text itself is not."]},"status":"ok","count":2,"limit":50,"truncated":false,"engines":[{"engine":"anthropic","count":2,"withheld":false,"answers":[{"engine":"anthropic","answered_on":"2026-08-10","prompt_intent":"best_in_category","excerpt":"## Top Self-Hosted Open-Source Forum Platforms\n\nFor most people building a discussion forum today, three platforms dominate the open-source landscape: **Discourse**, **Flarum**, and **NodeBB**. Here's how they stack up:\n\n### 🏆 Discourse — Best Overall / Most Feature-Rich\nDiscourse is a good fit if you have an active community with hundreds or thousands of daily posters and need enterprise SSO, ga","excerpt_withheld":false,"withheld_reason":null,"highlights":[{"start":153,"end":162,"name":"Discourse"},{"start":168,"end":174,"name":"Flarum"},{"start":184,"end":190,"name":"NodeBB"},{"start":228,"end":237,"name":"Discourse"},{"start":273,"end":282,"name":"Discourse"}]},{"engine":"anthropic","answered_on":"2026-08-10","prompt_intent":"best_in_category","excerpt":"## Best Self-Hosted Community Platforms for Data Ownership\n\nIf full data ownership is the priority, self-hosted (open-source) platforms are the way to go — you run the software on your own servers, so there's no third party holding your member records, and no risk of being locked out or losing everything if a SaaS vendor shuts down. As one developer put it after migrating off a hosted platform: \"H","excerpt_withheld":false,"withheld_reason":null,"highlights":[]}]}]}