Virtual whiteboard for sketching hand-drawn like diagrams
Apache ECharts is a powerful, interactive charting and data visualization library for browser
The HTML5 Creation Engine: Create beautiful digital content with the fastest, most flexible 2D WebGL renderer.
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.
Shared data types for building collaborative software
Etherpad: A modern really-real-time collaborative document editor.
Luckysheet is an online spreadsheet like excel that is powerful, simple to configure, and completely open source.
