Open Source Collaboration & Communication Tools

Plane ★ 62K

Project management for teams and AI agents

Rocket.Chat ★ 46K

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

cobalt ★ 46K

best way to save what you love

Buzz ★ 37K

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

univer ★ 23K

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

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.

chat ★ 14K

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

bigbluebutton ★ 9.3K

A complete web conferencing system for virtual classes and more!

hedgedoc ★ 7.5K

HedgeDoc - Ideas grow better together

faraday ★ 6.8K

Open Source Vulnerability Management Platform

blocksuite ★ 6.1K

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

Workadventure ★ 5.9K

Virtual office platform for engaging remote collaboration

partykit ★ 5.7K

PartyKit simplifies developing multiplayer applications

DesktopEditors ★ 5.7K

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 ★ 5.2K

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

FluidFramework ★ 5.0K

Library for building distributed, real-time collaborative web applications

mirotalk ★ 4.8K

🚀 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 ★ 4.8K

Self-hosted group chat without recurring subscription fees

sill ★ 4.4K

Any window from your Mac, live on your iPhone or iPad. Touch, Apple Pencil, trackpad and keys. Free, open source, no servers.

wireflow ★ 4.2K

Wireflow - user flow chart real-time collaborative tool

Piik ★ 4.0K

Free, open-source screen sharing for friends. P2P-first, with browser viewing, a desktop app and optional self-hosting.

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.

TwinDesk ★ 3.0K

All your computers and your phone, working as one desk. Screens, apps, files, clipboard, calls, texts, notifications, mouse and keyboard, shared between Mac, W

meet ★ 2.5K

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

Matterwiki ★ 2.1K

A simple and beautiful wiki for teams

Mezon ★ 2.0K

Create custom spaces to chat, game, and connect globally

teamtype ★ 2.0K

Peer-to-peer, editor-agnostic collaborative editing of local text files.

jitsi-meet-electron ★ 1.6K

Jitsi Meet desktop application powered by :electron:

sharkord ★ 1.6K

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

SubEthaEdit ★ 1.4K

General purpose plain text editor for macOS. Widely known for its live collaboration feature.

galene ★ 1.4K

The Galène videoconference server

Edgechat ★ 1.4K

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：

textbus ★ 1.4K

Textbus 是一个组件化的、数据驱动的富文本框架，支持在线协同编辑，拥有非常好的扩展性和可定制性，可使用 Viewfly、Vue 或 React 直接渲染富文本，是构建复杂富文本的不二之选！

SkyOffice ★ 1.3K

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

free4chat ★ 1.2K

Free4Chat provides the temporary boundary. Participants bring the capabilities.

lumen ★ 1.2K

A private Lumina server for IDA Pro

octo-server ★ 1.1K

🐙 The Go backend powering OCTO — an open workplace built for humans × AI agents. REST & WebSocket APIs, Lobster (AI agent) orchestration, and WuKongIM real-tim

plots2 ★ 1.0K

a collaborative knowledge-exchange platform in Rails; we welcome first-time contributors! :balloon:

dradis-ce ★ 845

Dradis Framework: Collaboration and reporting for IT Security teams

xyne-spaces ★ 827

The AI Org-OS — a collaborative platform for humans and agents. Explore: https://spaces.xyne.ai

claude-share ★ 811

Multiplayer sessions for Claude Code. Share a link, work together live, and review the same replies, tools and previews.

call-me ★ 767

📞 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

binsync ★ 759

A reversing plugin for cross-decompiler collaboration, built on git.

hopp ★ 732

The best OSS remote pair programming app.

excalidraw-collaboration ★ 634

excalidraw with collaboration feature, self-hosting, and only one-click deploy

Kittysploit-framework ★ 631

Python Exploitation Framework, V8 Engine Debugger, Proxy interceptor, marketplace, post-exploitation, backdoor generator,....

Spark ★ 606

Cross-platform real-time collaboration client optimized for business and organizations.

linshare ★ 581

LinShare - Secure File Sharing

plugNmeet-server ★ 576

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

drafft-ink ★ 570

Effortlessly self-host whiteboards. High-performance, cross-platform digital whiteboard with live collaboration built in Rust & WebGPU. Zero subscription, AGPLv

mirotalkc2c ★ 520

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

dDocs ★ 465

End-to-end encrypted collaborative document editor

Twake Chat ★ 173

Secure open source messaging for professional teams