Implementing an hyperbolic tree browser

[IanTrudel]

Hyperbolic tree was invented and patented by Xerox PARC but the patent has since expired. https://en.wikipedia.org/wiki/Hyperbolic_tree

Demo: https://www.youtube.com/watch?v=8bhq08BQLDs

Visualizing large trees using the hyperbolic browser

The Hyperbolic Browser: A Focus + Context Technique for Visualizing Large Hierarchies

[IanTrudel]

Eagle mode suggested by @redhog is also of interest. http://eaglemode.sourceforge.net/