Open Source Collaboration & Communication Tools

Plane ★ 60K

Project management for teams and AI agents

Rocket.Chat ★ 46K

Self-hosted team messaging with voice, video, and AI

cobalt ★ 43K

best way to save what you love

Buzz ★ 34K

Team chat, project management, and AI agents in one place

Jitsi ★ 30K

Private, secure video calls with no account needed

srs ★ 29K

SRS is a simple, high-performance, AI-driven real-time media server supporting RTMP, WebRTC, HLS, HTTP-FLV, HTTP-TS, SRT, MPEG-DASH, and GB28181, with codec sup

Huly ★ 28K

All-in-one workspace for project, chat, and docs

Zulip ★ 26K

Organized team chat for distributed teams

etherpad ★ 19K

Etherpad: A modern really-real-time collaborative document editor.

drawnix ★ 15K

开源白板工具（SaaS），一体化白板，包含思维导图、流程图、自由画等。All in one open-source whiteboard tool with mind, flowchart, freehand and etc.

univer ★ 14K

Univer is a full-stack framework for creating and editing spreadsheets / word processor / presentation on both web and server.

chat ★ 14K

Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots

bigbluebutton ★ 9.2K

A complete web conferencing system for virtual classes and more!

hedgedoc ★ 7.4K

HedgeDoc - Ideas grow better together

faraday ★ 6.7K

Open Source Vulnerability Management Platform

blocksuite ★ 6.0K

🧩 Content editing tech stack for the web - BlockSuite is a toolkit for building editors and collaborative applications.

Workadventure ★ 5.8K

Virtual office platform for engaging remote collaboration

partykit ★ 5.7K

PartyKit simplifies developing multiplayer applications

DesktopEditors ★ 5.4K

Open-source office suite pack that comprises all the tools you need to work with documents, spreadsheets, presentations, PDFs, and PDF forms on Windows, Linux,

Colanode ★ 5.1K

Self-hosted team workspace with chat, docs, and databases

FluidFramework ★ 4.9K

Library for building distributed, real-time collaborative web applications

mirotalk ★ 4.7K

🚀 Open-source, self-hosted P2P WebRTC video conferencing for fast, private real-time communication. Create browser-based meeting rooms with no downloads or tim

Campfire ★ 4.6K

Self-hosted group chat without recurring subscription fees

docker-jitsi-meet ★ 3.6K

Jitsi Meet on Docker

mirotalksfu ★ 3.1K

🏆 Self-hosted, open-source WebRTC video conferencing platform for real-time communication and collaboration. A modern alternative to Zoom, Google Meet, Jitsi M

Openfire ★ 3.1K

An XMPP server licensed under the Open Source Apache License.

meet ★ 2.4K

Open source video conferencing app powered by LiveKit. Built with Django and React.

chitchatter ★ 2.3K

Secure peer-to-peer chat that is serverless, decentralized, and ephemeral

openvidu ★ 2.1K

OpenVidu Platform: self-hosted real-time video and audio for your apps, built on LiveKit and mediasoup

Mezon ★ 1.8K

Create custom spaces to chat, game, and connect globally

jitsi-meet-electron ★ 1.6K

Jitsi Meet desktop application powered by :electron:

sharkord ★ 1.5K

Lightweight, self-hosted, open-source chat server with voice, video, text, and screen sharing. Built for small groups who want privacy, simplicity, and full con

galene ★ 1.4K

The Galène videoconference server

SkyOffice ★ 1.3K

Immersive virtual office built with Phaser, React, Redux, PeerJS, and Colyseus.

call-me ★ 764

📞 Open-source, self-hosted WebRTC click-to-call solution for websites. Add a video Call-Me button and let visitors instantly connect with your team through bro

Edgechat ★ 709

A modern, self-hosted team chat built on Cloudflare — realtime messaging, Telegram bridge, encrypted messages & files, and WebMCP. | 基于 Cloudflare 的现代自部署团队聊天系统：

hopp ★ 686

The best OSS remote pair programming app.

plugNmeet-server ★ 536

The open-source, self-hosted video conferencing software. Scalable, customizable, and with a powerful AI Meeting Agent.

mirotalkc2c ★ 513

📹 Open-source, self-hosted WebRTC 1-to-1 video calling for private real-time communication. Build secure browser-based consultations, coaching, support, telehe

dDocs ★ 413

End-to-end encrypted collaborative document editor

Twake Chat ★ 165

Secure open source messaging for professional teams