== DESCRIPTION: Charlie is a library for genetic algorithms (GA) and genetic programming (GP). == FEATURES: - Quickly develop GAs by combining several parts (genotype, selection, crossover, mutation) provided by the library. - Sensible defaults are provided with any genotype, so often you only n...

A lightweight tool to create new ruby library trees, with helpers to make gemming and maintaining a breeze.

A toolkit to work with the SQL language. Incluses a SQL parser, tree manipulations, and tools for testing and monitoring

A layer of abstraction on top of Ripper for handling Abstract Syntax Trees in Ruby.

Phylogenetic analysis using IQ-Tree via BioRuby

Rind is a templating engine that turns HTML (and XML) into node trees and allows you to create custom tags or reuse someone else’s genius. Rind gives web devs tags to work with and provides the same thing to app devs as an object. This project is just getting started so watch out for sharp corner...

A tool to modify YAML tree

CSDL is a gem for producing Abstract Syntax Trees for the [DataSift CSDL Filter Language](http://dev.datasift.com/docs/csdl). Working with an AST instead of raw strings provides a simpler way to test and validate any given CSDL filter.

RBTree is a sorted associative collection that is implemented with Red-Black Tree. The elements of RBTree are ordered and its interface is the almost same as Hash, so simply you can consider RBTree sorted Hash.

The abstract syntax tree for ruby mappers

Simple PDF maze generator, based on spanning trees. Can generate one or many mazes of different complexities.

Parses gene ontology .obo files, links terms through `is_a` and provides methods to find levels and traverse the tree.

Command line app that produces the MD5 hash of all files in a set of folders

Simple link tree theme for social media links.

Arrolio is a paged-media layout engine: it takes a content tree plus a layout spec (page templates, styles, flows) and produces a sequence of laid-out pages, which a renderer then emits — by default to PDF bytes via the sibling `pdfrb` gem. Arrolio is the middle layer of a three-library stack: ...

Allows to create methods with same name inside particular class/object by pushing them down by inheritance tree. So method "field" may call other "field" in same class by calling super keyword instead of just redefine it.

Great for nearest neighbor search in k dimensions! (as long as k is reasonable)

Wrap the methods of a class or module to output call info. See a tree of calls made to wrapped methods with argument values and return values.

A specced little language written with ruby and treetop. It has lambdas, recursion, conditionals, arrays, hashes, ranges, strings, arithmetics and some other stuff. It even has a small code import facility.

Stores data in a B+tree structure