Tree based routing framework with scaffolding support

fast_tree is an implementation of tree structure using nested sets model

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.

Represents a file tree using a Polyrex document

Forestify brings a tree data-structure to your Active Record models

Parses the taxonomy of GOV.UK into a browseable tree structure.

Tree behavior for ActiveRecord models and Mongoid documents.

Convert from a simple hierarchical-tree outline text into ugly xlsx file

Interval Tree Data Structure

Allows ActiveRecord Models to be easily structured as a tree

Currently provides one function, printing a tree view of a schema

A simple tool for printing the structure of a JSON object

Find leaves in tree-like json structures