Mind Map Template 4 ideas with Sub-ideas Templates is a free mind map template that is perfect for brainstorming and to-do lists. The template features four different ideas and sub-ideas in one document. It’s easy to use and customizable. The creator of the template provides a download link, which you can use as a base for your own mind map. This mind map template will help you brainstorm, organize your thoughts, and make sure that your to-do list is organized.