iThoughts is a mindmapping tool for Windows (iOS and Mac versions are also available.)

Mindmapping enables you to visually organise your thoughts, ideas and information.

Typical Uses:

• Task lists.
      • Summarising.
      • Brainstorming.
      • Project planning.
      • Goal setting.
      • WBS
      • Course Notes/Revision.
      • Meeting Notes.
      • GTD

Highlights:

Import and export to and from many of the most popular desktop application formats:
      • MindManager
      • Freemind/Freeplane
      • OPML

…plus import only support for Novamind, XMind, iMindmap, Scapple, CMAP, MindGenius, SimpleMind, MindMeister, Plain Text

Export to:
      • MS Powerpoint/Keynote (PPTX)
      • MS Word/Pages (DOCX)
      • PNG
      • Markdown
      • PDF (via PDF Printer)

Plays nicely:
      • Drag/Drop/Cut/Copy/Paste within and between maps and other apps

Flexible Topic Attributes:
      • Colour / Shape
      • Images / Icons
      • Notes
      • Rich text (using Markdown)
      • Hyperlinks (websites, other maps, other topics)
      • Callouts / Floating topics
      • Boundaries / Groups
      • Auto-numbering
      • Named relationships between topics
      • Style support (predefined collections of colors, fonts, shapes etc.)

Task Management:
      • Assign start/due date, effort, progress, priority and resources

Advanced Mindmap Features:
      • Multiple layouts (horizontal, vertical, fishbone etc.)
      • Multiple link styles (curved, tapered, right angled etc.)
      • Embedded documents (PDF, XLS, DOC etc)
      • Over 100 builtin icons and 90 clipart images.
      • Over 30 background canvas patterns (with option to import more.)
      • 10 system ‘Map Styles’ (with option to import more.)
      • Presentation mode.
      • Rule based sorting - including option to sort continuously
      • Encrypted, password protected maps.
      • Outline View
      • Search and Replace text within topics and notes.
      • Filter topics (text, date etc)
      • Topic summaries
      • Conditional Formatting

Please visit the website for more information, screenshots and videos.