OpenJamCollaborative Whiteboard

Real-time, self-hosted whiteboard for teams with rich drawing tools, interactive widgets, and CRDT-based collaboration.

Real-Time Collaboration

Work together on the same canvas with live cursors, presence indicators, and CRDT-based conflict resolution.

Shapes, sticky notes, freehand drawing, text, connectors, images, frames, and 11 interactive widgets.

Deploy on your own infrastructure with Docker. Your data stays under your control.

Built with Go, PostgreSQL, Redis, and S3-compatible storage. Scales from single-server to multi-instance.