Millions of people use XMind to clarify thinking, manage complex information, run brainstorming and get work organized. XMind is an open source project, which means it's free to download and free to use forever. XMind Plus/Pro with more professional features are also available.
Free Version includes:
All kind of diagrams
New Themes and Fonts(NEW)
Mind Toolbox
Save to Evernote
Share on Web