minjector submits a directory tree to a central server for parsing

Syntax tree generator made with Ruby

acts_as_tree port for MongoMapper

Port of the old, venerable ActsAsTree with a bit of a twist

A MongoMapper plugin that adds a number of tree strategies.

Integrates jquery UI Nested Sortable Tree plugin into rails apps.

FreeBSD ports commits history viewer that doesn't require neither local ports tree nor CVS checkouts.

Gem for storing strings in prefix tree (Trie)

Simple gem to list process childs tree... and kill them =)

Simple function to find the root of a project tree

Show tree of classes and methods in a module.

Arboreal is yet another extension to ActiveRecord to support tree-shaped data structures. Internally, Arboreal maintains a computed "ancestry_string" column, which caches the path from the root of a tree to each node, allowing efficient retrieval of both ancestors and descendants. Arboreal surf...

r2ree is a ruby bindings to the r2ree linkable C++ radix tree library.

An ActiveRecord plugin for atomic archiving and unarchiving of object trees. Inspired by ActsAsParanoid and PermanentRecord