Naive implementation of Radix Tree for Ruby

An efficient tree structure for querying on data with overlapping ranges

Generates an array of permutations without duplicates using a tree

Mutliple snapshot hierarchical tree implementation of adjacency list using recursive query of Postgresql

Return a hash of user objects from a specified Treehouse user

Recursive method that converts the head node to a plain string, allowing you to print and visualize your binary tree.

hierarchy-tree is a gem that shows the whole hierarchy and the associations related to a desired class.

This is a union_find_tree library. It is used for connecting and grouping items. you can connect any object

Add a tree browser selection input in rails_admin

A drop in replacement for acts_as_tree with super fast ancestors and subtree access

RipperTree is like tree command for Ripper#sexp.

simple tree gem

A self-balancing binary tree optimised for fast access to frequently used nodes. Useful for implementing caches and garbage collection algorithms.

Builds a tree of module inclusion of a target module into other modules

Builds a tree of errors instead of the 1-dimension one generated by ActiveMode::Base#errors.messages.

CompTree is a parallel computation tree structure based upon concepts from pure functional programming.

Treequel is an LDAP toolkit for Ruby. It is intended to allow quick, easy access to LDAP directories in a manner consistent with LDAP's hierarchical, free-form nature. It's inspired by and modeled after [Sequel][sequel], a kick-ass database library. For more information on how to use it, check ...

Add roles to models with tree structure via postgres_tree. It's average because it doesn't do much else.

Gem modular_tree

A wrapper on the Open Tree API, developed during the open tree hackathon in September, 2014.