OpenHive – Open-source, self-hosted Slack alternative

Summary: OpenHive is a fully open-source team messaging platform built with Next.js, Supabase, and LiveKit. It offers real-time channels, DMs, threaded replies, video/audio calls with screen sharing, file uploads, @mentions, slash commands, webhooks, and bots, all in a responsive UI. The setup wizard auto-provisions a database with 23+ tables and row-level security, enabling quick self-hosting without vendor lock-in.

What it does

OpenHive provides team communication through real-time messaging, calls, and collaboration features. Users clone the repo, run npm run dev, and the setup wizard configures the database automatically.

Who it's for

It is designed for teams seeking a self-hosted, open-source alternative to Slack without per-seat pricing or vendor restrictions.

Why it matters

OpenHive addresses the need for a fully open-source, easy-to-deploy messaging platform that avoids vendor lock-in and high costs.