# FlatBB: multilingual out of the box, with a full forum feature set

> Source: <https://dev.to/hongsheng_yang_0b463d934e/flatbb-multilingual-out-of-the-box-with-a-full-forum-feature-set-2241>
> Published: 2026-09-08 12:20:41+00:00

Most “lightweight” forums cut corners. FlatBB is different: plain PHP 8.1+, no Composer/Docker/build step — but the feature list is what small communities actually need.

Interface packs ship in the box:

Also:

**Discussion:** nested categories (one level) + per-group permissions, tags, topics/replies, quotes, @mentions, Markdown + live preview, drag/paste image upload, likes, bookmarks, unread tracking, notifications.

**Discovery:** full-text search (SQLite FTS5 / MySQL FULLTEXT), Latest / Top / Unread, clean URLs, RSS, sitemap, profiles & avatars.

**UX:** Discourse/Flarum-style three-column layout that collapses on phones, dark mode, one-click upgrades.

**Admin:** settings, categories, tags, users, groups, layout blocks, plugins, scheduled jobs, tools.

Need more? The marketplace and AI-friendly plugin API cover SEO, social login (Google/GitHub/X), Q&A, levels, verified badges, Guard/2FA, drafts, and more. Plugin docs for assistants: [https://www.flatbb.com/dev/plugins.md](https://www.flatbb.com/dev/plugins.md)

MIT licensed. If you try it, tell us where it breaks — the support forum runs on FlatBB itself.