I built an open-source Slack alternative you can self-host in minutes — OpenHive

Hey DEV community! 👋 I've been working on OpenHive , a fully open-source team messaging platform — think Slack, but self-hosted and free. I'm sharing it today because I need your help to make it better . 🔗 Links GitHub: github.com/arseneHuot/openhive Try the live demo: openhivedemo.com What is OpenHive? OpenHive is a real-time team messaging app built with Next.js , Supabase , and LiveKit . You can self-host it in minutes — just clone the repo, run npm run dev , and the setup wizard handles everything (database provisioning, tables, RLS policies, etc.). No vendor lock-in, no hidden costs. Bring your own Supabase instance and you're good to go. Features Here's what's already built: Real-time messaging — channels (public/private), DMs, group DMs, threaded replies Rich text editor — bold, italic, code blocks, emoji picker (TipTap) Video & audio calls — powered by LiveKit (open-source WebRTC), with screen sharing File uploads — images and documents via Supabase Storage @mentions with autoc