Collaborative GitHub Repositories (2026) · Open Source Tools

The most complete open-source travel planner: real-time collaboration, bookings, budgets, packing lists, journals, offline PWA, SSO and an AI-ready MCP server, with planet-wide place search and routing built in.

Docs is an open-source text editor: web-native, made for real-time collaboration, cleanly structured documents and sub-documents with full ownership of your data. Built to scale with Django and React.

Infinite space, infinite zoom, collaborative canvas program for massive sketches and notes

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

Docmost is an open-source collaborative wiki and documentation software. It is an open-source alternative to Confluence and Notion.

Encrypted notebook

SuperDoc - Build AI agents that work with DOCX (DOCX Editor, DOCX Agent SDK)

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

📑 Collaborative document editing using Markdown

YesWiki is a wiki system written in PHP, including extensions making collaboration more simple (databases, maps, easy editing, bootstrap themes,...).

ATON framework is based on modern web standards and technologies to create interactive, liquid and collaborative Web3D/WebXR apps targeting Cultural Heritage field. It adopts a “develop once, deploy everywhere” approach, providing building-blocks and a modular architecture