Xmind

Xmind is a mind mapping and brainstorming software,. The application can be used to visualize ideas, clarify thoughts, manage complex information, and promote team collaboration.
Xmind supports mind maps, logic charts, brace maps, organization charts, tree structure, timelines, fishbone diagrams, tree tables, and matrix. The application offers various modes for distraction-free entry and smooth workflow. It is currently available on all platforms, including Windows, macOS, Linux, iOS/iPadOS, Android, and Web.