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A Jupyter Server Extension Providing Support for Y Documents

Real-time pair programming and collaborative editing for Neovim, inspired by VS Code Live Share.

DocNode y DocSync Monorepo. Type-safe documents with conflict resolution. Faster than any CRDT.

Real-time, collaborative knowledge graph platform for structured thinking, scientific discourse, and collective intelligence.

A self-hosted, open-source alternative to Notion. Block-based editor, real-time collaboration, multi-tenant organisations, and polymorphic storage — built with Vue 3, Fastify, and PostgreSQL. Your data, your control.

Live collaborative coding in Neovim, written 100% in lua.

Self-hosted note app. Encrypted, real-time collab, ephemeral Sparks.

Networked scene editor for FiveM — spawn props, peds & vehicles, collaborate in real-time rooms, build AI sequences

Decentralized, self-hosted collaboration platform — privacy-first alternative to Google Workspace

A collaborative pixel art platform where users can place pixels on a shared canvas in real time, building community-driven images together with live updates and interactive features.

This is a collaborative whiteboard that allows real-time communication through sockets. It was built using Next.js and Spring Boot. Users can share a room and draw on canvas which will be updated on every user's screen.

A self-hosted real-time collaborative infinite canvas for structured thinking and visual knowledge creation.自托管实时协作无限画布，赋能结构化思考与可视化知识创作。

Collaborative Code Playground or CodePlay is a real-time platform where developers can code together seamlessly. Built with React, Tailwind, and TypeScript, it features multi-language support, code execution, and integrated chat functionality—making pair programming, knowledge sharing, and learning from peers effortless.

Collaborative family tree builder with tldraw: Real-time editing and visualization on diagram

🥈 Real-time, cross-platform, CRDT-based, collaborative code editor.

🎨 A modern, collaborative whiteboard and drawing tool inspired by Excalidraw

Multi-Worker Management.A Single Platform, a Collective of Workers.Natively Supported on ClawCode, Claude Code, Codex, OpenCode, StormClaw, Hermes and OpenClaw.

A real-time collaboration web application featuring a whiteboard (powered by tldraw), shared notes (powered by Etherpad), and video/audio communication (powered by LiveKit).

🌌 Orion AI Workspace – A free intelligent workspace platform that combines advanced AI models with real-time collaboration tools, designed with privacy-first principles and user-controlled API keys.