A ruby implementation of a binary search tree

Dictionary functions for word permutation search.

tree

Trees, Heaps, Timers, Error fitting, etc

a tiny lisp-like language written in ruby using treetop.

http://wikipedia.com/wiki/Interval_tree

Extracts skills, strains, profession, and requirement trees into JSON

Data structures (lists, stacks, trees, heaps, graphs..) in pure Ruby.

Tree based routing framework with scaffolding support

Generates a profile of a given directory.

Generate and manipulate entire directory trees of either binary or text file content.

Simple treetop lexer that supports writing filters in an SQL-like manner.

Helper for creating directory hierarchies to use with tests

Tree behavior for ActiveRecord models and Mongoid documents.

Htree provides a tree data structure which represent HTML and XML data

Ruby YAML file tree object wrapper

A gem to compare JSON object trees

Sync files all over directory tree with any cloud storage mounted on your file system

Loads logical or mathematical expression (in string) into Abstract Syntax Tree for later evaluation

A lightweight solution for creating and managing tree data structures