Collaboration GitHub Repositories (2026) · Open Source Tools

Virtual whiteboard for sketching hand-drawn like diagrams

⚡️⚡️⚡️ Self-hosted collaborative bookmark manager to collect, read, annotate, and fully preserve what matters, all in one place.

Build your own AI office with Univer Office SDK. Bring editing, calculation, collaboration, and file processing into your product for people and AI agents. Built on an extensible open-source core.

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

Sync-in · Sovereign platform for file storage, sharing, synchronization, and collaboration.

OpenAgents - The collaboration OS for AI agents

☁️ Nextcloud server, a safe home for all your data

Open-source feature management platform

AI-native design editor. Open-source Figma alternative.

The data layer you own: Jazz is a database with tables, blobs, durable streams, collaborative rich text, permissions and more. It runs in your existing cloud as part of your backend.

Open-source Frame.io alternative

🚀 Open-source, self-hosted P2P WebRTC video conferencing for fast, private real-time communication. Create browser-based meeting rooms with no downloads or time limits, plus screen sharing, chat, whiteboard, recording, and collaboration.

A complete web conferencing system for virtual classes and more!

Mindmapping made simple: Host and create your own mindmaps. Share your mindmap sessions with your team and collaborate on mindmaps.

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

The AI developer platform. Use Weights & Biases to train and fine-tune models, and manage models from experimentation to production.

Self-hosted shared workspace for communities — live collaboration on tasks, documents, calendars, dashboards and more in one place. Project management that starts simple and grows with you.

🏆 Self-hosted, open-source WebRTC video conferencing platform for real-time communication and collaboration. A modern alternative to Zoom, Google Meet, Jitsi Meet, and Microsoft Teams, powered by scalable SFU architecture with Mediasoup.

A self-hosted workspace where people and coding agents work together across projects, sessions, and providers.

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