• a packing algorithm which can produce very compact trees;
• a user-friendly interface consisting of the familiar bracket encoding of trees plus the key-value interface to option-setting;
• many tree-formatting options, with control over option values of individual nodes and mechanisms for their manipulation;
• the possibility to decorate the tree using the full power of PGF/TikZ; and
• an externalization mechanism sensitive to code-changes.

See also forest-quickstart.

The author is Sašo Živanović. The package is Copyright © 2012-2017 Sašo Živanović.