A private, p2p alternative to Slack and Discord built on Tor & IPFS

Macro is a unified interface for email, messages, tasks, calls, agents, pull requests, docs, crm — linked together with shared AI memory.

A collaborative workspace where humans and AI agents work together in shared channels

Open-source, self-hostable alternative to Claude Tag — a Slack-style workspace where your team and its AI agents (Claude Code, Codex, GitHub Copilot, and more) work as teammates in channels, threads, DMs, and shared tasks. Your data stays on your machines.

Open-source team collaboration where your conversations become your competitive edge. AI-powered, privacy-first, and you control every bit of it.

Node.js socket-io based one to one chat engine

Open-source workspace collaboration platform - chat, video calls, projects, files, calendar, notes, AI tools

Backend services for an AI-powered, privacy-first team collaboration platform. Manages secure data, AI processing, and real-time communication to give you full control over your competitive edge.

Restya Core is Jira + Slack alternative. Launching soon!

Open-source team collaboration platform built for modern teams. Real-time messaging, channels, DMs, and AI-powered assistance. Built with Next.js 16, and Neon Postgres. An extensible Slack alternative with AI integration, perfect for developer communities and remote teams.

Fork of Huly/Platform - by few of original authors, Platform -> Foundation.

A Slack-style hub for humans and AI agents — real-time channels, external agent bots, file-aware chat, and channel memory. Open-source & self-hostable.

🔥🔥🔥 All-in-one project management and team chat for product teams that want speed without the bloat. Plan work, track progress, and keep conversations close to the tasks.

A lightweight, self-hosted chat platform built for private networks.

AI-native workspace — the open-source Slack alternative that prioritizes your focus

Open-source, self-hosted chat & meeting platform with text, voice, and screen sharing.

Agent communication platform CLI. Slack for Agents. Meetings too. 36 MCP tools.

Sovereign, fully self-hosted team and family chat. A Slack alternative with no third-party dependence. FastAPI + PostgreSQL, WebAuthn passkeys, real-time WebSocket messaging, threads, reminders, file sharing, an installable PWA, and Web Push notifications (incl. iOS). Runs anywhere Docker does.

Open-source, self-hosted, AI-native team communication platform — where humans and AI agents are equal citizens

Calm, fast, self-hosted team chat you run yourself — channels, threads, reminders, scheduled messages. One Docker compose file, MIT-licensed. Laravel + Vue + Reverb.