MetaTreeX Control 1.5
This is an ActiveX control that you can use in your Visual Basic, C++, VBA and Delphi applications.
It displays hierarchical information as a graphs tree on an elliptical parabolic surface, which allows you to view all the selected information at once. You can modify the display by expanding and collapsing nodes, adding and deleting nodes and changing the display color of each node. You also can drag the display to center on a desired node and can select the desired node using the mouse.