Suggestions for Gl-tree

The following packages have something in common with the package Gl-tree. The packages are ordered in decreasing similarity.

Package wotree: Draw Warnier/Orr diagrams
Package pst-tree: Trees, using PSTricks
Package drv: Derivation trees with METAPOST
Package pst-qtree: Simple syntax for trees
Package pst-tvz: Draw trees with more than one root node, using PSTricks
Package tikz-qtree: Use existing qtree syntax for trees in TikZ
Package tkz-bernoulli: Draw Bernoulli trees with TikZ
Package baum: Trees, using PiCTeX
Package binarytree: Drawing binary trees using TikZ
Package huffman: Drawing binary Huffman trees with METAPOST and METAOBJ
Package istgame: Draw Game Trees with TikZ
Package prooftrees: Forest-based proof trees (symbolic logic)
Package pst-jtree: Typeset complex trees for linguists
Package forest-ext: Additional Forest libraries providing bug fixes, extensions and support for tagging
Package forest: Drawing (linguistic) trees
Package tikz-dependency: A library for drawing dependency graphs
Package tree-dvips: Trees and other linguists’ macros
Package obsolete: A tree holding obsolete software
Package emtrees: Draw labelled trees, using emTeX \specials
Package treedef: Macros to typeset trees in Plain TeX
Package treesvr: Tree macros
Package treetex-plain: Draw trees
Package qobitree: LaTeX macros for typesetting trees
Package syntrace: Labels for tracing in a syntax tree
Package required: Packages required of a LaTeX distribution
Package eppstein-trees: Macros for producing trees
Package chomsky: Macros to typeset parsing trees
Package plainmisc: Miscellaneous contributed macros for plain TeX
Package adtrees: Macros for drawing adpositional trees
Package dirtreex: Directory tree rendering for LaTeX with TikZ
Package dyntree: Construct Dynkin tree diagrams