eppstein-trees – Macros for producing trees
Tree macros that draw horizontally, proceeding from a root at the left of the page.
Maybe you are interested in the following packages as well.
- tree-dvips: Trees and other linguists' macros
- dyntree: Construct Dynkin tree diagrams
- drv: Derivation trees with METAPOST
- plainmisc: Miscellaneous contributed macros for plain TeX