Easily and efficiently make your ActiveRecord model support hierarchies

Tokyo Cabinet is a library of routines for managing a database. The database is a simple data file containing records, each is a pair of a key and a value. Every key and value is serial bytes with variable length. Both binary data and character string can be used as a key and a value. There i...

Drag&Drop GUI for awesom_nested_set. Render Tree Helper. Very fast! Ready for Rails 4

Alf brings the relational algebra both in Shell and in Ruby. In Shell, because manipulating any relation-like data source should be as straightforward as a one-liner. In Ruby, because I've never understood why programming languages provide data structures like arrays, hashes, sets, trees and grap...

This gem facilitates modeling a test suite that is written in Gherkin (e.g. Cucumber, SpecFlow, Lettuce, etc.). It does this by providing an abstraction layer on top of the Abstract Syntax Tree that the 'cucumber-gherkin' gem generates when parsing features, as well as providing models for featur...

This is a Ruby library for building trees representing HTML structure.

Generate the original Ruby source from a Ripper-style abstract syntax tree.

A Gem for syntactically correct parse trees of Ruby source

ffi-swig-generator is a ruby-ffi wrapper code generator that produces ruby-ffi glue code parsing C header files through SWIG. ffi-swig-generator is able to traverse an XML parse tree generated by the +swig+ command and to produce a ruby-ffi code from it. ffi-swig-generator is shipped with a com...

A mixin to help you generate tree graph

generate plain css tree structure

ID3-based implementation of the M.L. Decision Tree algorithm

Rumale is a machine learning library in Ruby. Rumale provides machine learning algorithms with interfaces similar to Scikit-Learn in Python. Rumale supports Support Vector Machine, Logistic Regression, Ridge, Lasso, Multi-layer Perceptron, Naive Bayes, Decision Tree, Gradient Tree Boosting, Rando...

A set of feature-rich extendible Netzke components (such as Grid, Tree, Form, Window) and component extensions which can be used as building blocks for your apps

The Lorax is a full diff and patch library for XML/HTML documents, based on Nokogiri. It can tell you whether two XML/HTML documents are identical, or if they're not, tell you what's different. In trivial cases, it can even apply the patch. It's based loosely on Gregory Cobena's master's thesis...

Syntax Tree support for Haml

Full power of Java's ANTLR 3 language recognition tool brought to Ruby. Generate lexers, parsers, tree parsers, source translators, and language analysis tools for use in Ruby applications.

Fully featured tree implementation for Mongoid using the nested set model

Tools to manipulate DRUID trees and content directories

Generate CCN Treemap based on saikuro analysis