Discover the Best Open-Source Collaboration Projects Sorted by Stars

Virtual whiteboard for sketching hand-drawn like diagrams

The communications platform that puts data protection first.

Mattermost is an open source platform for secure collaboration across the entire software development lifecycle..

☁️ Nextcloud server, a safe home for all your data

Zulip server and web application. Open-source team chat that helps teams stay productive and focused.

A tool for composable software development.

Focalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.

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

Shared data types for building collaborative software

🦉 Data Version Control | Git for Data & Models | ML Experiments Management

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

Open-source feature management solution built for developers.

CodiMD - Realtime collaborative markdown notes on all platforms.

Complete open source web conferencing system.

🔥 A tool for visualizing and tracking your machine learning experiments. This repo contains the CLI and Python API.

A web based file manager,web IDE / browser based code editor

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

Collaborative office suite, end-to-end encrypted and open-source.

Library for building distributed, real-time collaborative web applications

Open Source Vulnerability Management Platform