Have you ever tried to design a complicated bit of software and ended up with a great big tangled mess? Designing software is hard and formal processes can be frustrating. Is there a better way to approach this task? Mind maps are a fun and intuitive way to brainstorm and organize your ideas on paper or a whiteboard. In this talk I will show how to use mind maps to design software well, convert your thought process into an excellent technical spec, and break it down into workable tasks while leaving lots of room for agility and flexibility.