Open source collaboration projects

Collaborative whiteboard with a hand-drawn aesthetic

Free instant whiteboard with real-time collaboration

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

best way to save what you love

Secure collaboration platform for mission-critical work

Secure cloud collaboration platform for organizations

Organized team chat for distributed teams

Collaborative bookmark manager for teams and individuals

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

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

Feature flags for rapid, risk-free software deployment

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

Self-hosted Kanban board with real-time collaboration

A complete web conferencing system for virtual classes and more!

Design editor that opens Figma files, runs AI, and stays local

Secure collaboration with end-to-end encryption

HedgeDoc - Ideas grow better together

Complete office suite for documents, spreadsheets & more

Open Source Vulnerability Management Platform

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

PartyKit simplifies developing multiplayer applications

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,

Share and collaborate by syncing with any Git repository instantly. Linux, macOS, and Windows

Library for building distributed, real-time collaborative web applications

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

TerminusDB is a distributed, collaborative database designed for building, sharing, versioning, and reasoning on structured data.

Free open source office suite with business productivity tools: document and project management, CRM, mail aggregator.

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

An XMPP server licensed under the Open Source Apache License.

Pentest Report Generator

Serverless team chat over Tor, no phone number needed

Modern Confluence alternative designed for internal & external docs, built with Go + EmberJS

Collaborative content creation for technical teams

Twake is a secure open source collaboration platform to improve organizational productivity.

Open-source file storage with complete data sovereignty

Straightforward realtime kanban boards management for intuitive task tracking. 4ga Boards features an elegant dark mode, collapsible todo lists, and multitaskin

Simplify project management for developers