Mind maps (Conceptual maps) with MindHD:
New Presentation Mode Like Prezi, impress.js.
Simple and Quick editing map.
Export as PDF, PNG, JPG, FreeMind, Text format.
Support large Mind Map page.
Support Undo/Redo infinitely.
Support Drag and Drop.
Support Multi-line editing.
Support Preview map(Thumbnails).
Support Folding nodes.
Support Zoom In/Out..... and a lot more.
Via Baiba Svenca