Suggestions for pstrees

The following packages have something in common with the package pstrees. The packages are ordered in decreasing similarity.

Package tree-dvips: Trees and other linguists’ macros
Package eppstein-trees: Macros for producing trees
Package treetex-ltx209: Draw horizontally- or vertically-oriented trees
Package chomsky: Macros to typeset parsing trees
Package baum: Trees, using PiCTeX
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 plainmisc: Miscellaneous contributed macros for plain TeX
Package adtrees: Macros for drawing adpositional trees
Package drv: Derivation trees with METAPOST
Package dirtreex: Directory tree rendering for LaTeX with TikZ
Package dyntree: Construct Dynkin tree diagrams
Package familytree: Draw family trees
Package xytree: Tree macros using XY-Pic
Package xyling: Draw syntactic trees, etc., for linguistics literature, using xy-pic
Package ecltree: Trees using epic and eepic macros
Package rrgtrees: Linguistic tree diagrams for Role and Reference Grammar (RRG) with LaTeX
Package synttree: Typeset syntactic trees
Package williams: Miscellaneous macros by Peter Williams
Package lingtrees: Linguistics trees preprocessor and macros
Package pageframe: Page frames, grids, etc., for LaTeX 2.09
Package huffman: Drawing binary Huffman trees with METAPOST and METAOBJ
Package prftree: Macros for building proof trees
Package linguex: Format linguists’ examples
Package qtree: Draw tree structures
Package geophysics: Articles for the journal Geophysics
Package acronym209: An algorithm package developed for LaTeX 2.09
Package cyrillic209: Provides basic LaTeX 2.09 font access to the Washington cyrillic fonts