Suggestions for Dirtree

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

Package prftree: Macros for building proof trees
Package qtree: Draw tree structures
Package pst-tree: Trees, using PSTricks
Package expex: Linguistic examples and glosses, with reference capabilities
Package musixtex: Sophisticated music typesetting
Package pst-qtree: Simple syntax for trees
Package pst-tvz: Draw trees with more than one root node, using PSTricks
Package emtrees: Draw labelled trees, using emTeX \specials
Package xypic: Flexible diagramming macros
Package autoaligne: Align terms and members in math expressions
Package epsf: Simple macros for EPS inclusion
Package hlist: Horizontal and columned lists
Package soul: Hyphenation for letterspacing, underlining, and more
Package systeme: Format systems of equations
Package xlop: Calculates and displays arithmetic operations
Package arrayjob: Array data structures for (La)TeX
Package dcpic: Commutative diagrams in a LaTeX and TeX documents
Package proofs: Macros for building proof trees
Package linguex: Format linguists’ examples
Package pst-jtree: Typeset complex trees for linguists
Package fixjfm: Fix JFM (for *pTeX)
Package polexpr: A parser for polynomial expressions
Package witharrows: Aligned math environments with arrows for comments
Package chemfig: Draw molecules with easy syntax
Package ifvtex: Detects use of VTeX and its facilities
Package ifluatex: Provides the \ifluatex switch
Package nth: Generate English ordinal numbers
Package ifpdf: Provides the \ifpdf conditional
Package ifetex: Provides \ifetex switch
Package ctablestack: Catcode table stable support
Package ifxetex: Am I running under XeTeX?