The package provides a macro for drawing trees with using the easy syntax of Alexis Dimitriadis’ . It improves on TikZ’s standard tree-drawing facility by laying out tree nodes without collisions; it improves on Qtree by adding lots of features from TikZ (for example, edge labels, arrows between nodes); and it improves on in being usable with pdfTeX and XeTeX.

The author is David Chiang. The package is Copyright © 2002,2009 David Chiang.