TkTreeCtrl is a multi-column hierarchical listbox widget for the Tk GUI toolkit. It runs on Windows, Mac OS X, and Unix.
Download
Sources for all platforms and a binary distribution for Microsoft
Windows are available on the SourceForge site here.
Screenshots
Windows 7
Linux X11
Mac OS X
Linux Gtk+
These are screenshots on Windows 7 of the demos included with
TkTreeCtrl. Click an image to see actual size.
Documentation
The HTML manual page is available online.
A brief introduction with pictures and examples is provided here.
A description of changes in each version is here.