Good software doesn’t need to be complex. Cacoo is a free online diagramming tool that lets you create quick and easy diagrams like wireframes, flow charts, UML diagrams, mind maps and more. Share your ideas and collaborate with others in real-time.

Cacoo is handcrafted by Nulab Inc., an agile software development startup that develops online collaboration tools, including Backlog for project management and Typetalk for team communication. Our company is based in Japan with branches in Southeast Asia and New York.

Since launching in 2009, our community has grown to more than 1.5 million users from 200+ countries around the world.