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

DumbDownViewer (ddv) is a recursive directory listing command with limited functionality. In some cases, you can use ddv like "tree" command (http://mama.indstate.edu/users/ice/tree/), even though these commands are not compatible: Several options of "tree" are missing in ddv, but there are some ...

Treezor API. More info at https://www.treezor.com. Generated by Cashbee https://www.cashbee.fr

Splay tree is an efficient implementation of a balanced binary search tree that takes advantage of locality in the keys used in incoming lookup requests. For many applications, there is excellent key locality.

Build a tree with historical versions and multiple scopes by one model class.

Given a tree of relationships in a similar format to strong params, analyzes attribute changes by call chain. Call just before and after you make a change. Completely ORM and framework agnostic.

ActsAsTreeDiagram extends ActsAsTree to add simple function for draw tree diagram with html.

Treetop CSS grammar/parser.

Tree structure visualization function library

Treefell is a simple debug-logging library for ruby.

Allows ActiveRecord Models to be easily structured as a tree

Partially Persistent Tree, based on Okasaki's 'Purely Functional Data Structures'

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 ...

view helper to generate tree view chart

simple tree gem

Gem modular_tree

Ruby trees

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

Treemap visualization in ruby

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