webviewer-video-sample

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..

LabelImg is now part of the Label Studio community. The popular image annotation tool created by Tzutalin is no longer actively being developed, but you can check out Label Studio, the open source data labeling tool for images, text, hypertext, audio, video and time-series data.

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

Image Polygonal Annotation with Python (polygon, rectangle, circle, line, point and image-level flag annotation).

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