Virtual whiteboard for sketching hand-drawn like diagrams

The communications platform that puts data protection first.

whiteboard SDK / infinite canvas SDK

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

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

A build system for development of composable software.

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

Open-source feature management platform

⚡️⚡️⚡️Self-hosted collaborative bookmark manager to collect, organize, and preserve webpages, articles, and documents.

Univer is a full-stack framework for creating and editing spreadsheets, documents, and slides on both web and server.

HedgeDoc - Ideas grow better together

PartyKit simplifies developing multiplayer applications

Library for building distributed, real-time collaborative web applications

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

Liveblocks provides customizable pre‑built features that boost user engagement by adding collaboration to your product. All without derailing your roadmap.

Lightweight Google-searchable Slack alternative for Communities

Open source video conferencing system for tutors.

a Restful Api test tool

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

SyncedStore CRDT is an easy-to-use library for building live, collaborative applications that sync automatically.