yjs

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.

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

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

CodiMD - Realtime collaborative markdown notes on all platforms.

The realtime kanban board for workgroups built with React and Redux.

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