Where teams sketch
ideas into clarity
A collaborative visual canvas for system design, architecture documentation, and team brainstorming — hosted on your own infrastructure.
Open source · Self-hosted · No data leaves your servers
Everything your team needs
Built for the way modern teams actually work — visually, together.
Visual Documentation
Create diagrams, flowcharts, system architectures, and wireframes with an intuitive hand-drawn canvas.
Flexible Sharing
Share publicly, protect with a password, or keep it private. Every sheet gets its own persistent URL.
Contextual Comments
Click anywhere on the canvas to leave a comment. Discussions live exactly where they belong.
Self-Hosted & Secure
Deploy on your own infrastructure. Your diagrams never leave your servers.
Simple by design
Create a sheet
Open the canvas and start sketching. Diagrams, flowcharts, wireframes — whatever your team needs.
Share with your team
Get a link and share it. Set access controls: public, password-protected, or private.
Collaborate in context
Leave comments directly on the canvas. Everyone stays on the same page — literally.
Ready to start drawing?
Sign in with your admin credentials to create and manage sheets.