A "compiler" for the Delorean programming language

A build tool for Javascript and CSS that takes advantage of best-of-breed helper applications Javascript Lint and JSDoc Toolkit

A gem to evaluate mathematical equations. Includes support for variables and functions.

Erector is a Builder-like view framework, inspired by Markaby but overcoming some of its flaws. In Erector all views are objects, not template files, which allows the full power of object-oriented programming (inheritance, modular decomposition, encapsulation) in views.

Fig is a utility for configuring environments and managing dependencies across a team of developers. Given a list of packages and a command to run, Fig builds environment variables named in those packages (e.g., CLASSPATH), then executes the command in that environment. The caller's environment is not affected.

Food products often contain an ingredient list of some sort. This parser tries to recognize the syntax and returns a structured representation of the food ingredients.

Parser for HAProxy logs in the HTTP log format

ice_cube_english provides english time and date parsing for ice_cube.

A reference parser for the Koi language.

Produces truth table and MC/DC test case pairs from parsed logic statement

Lydown is a language and tool for music notation

A markup parser that outputs html and text. Syntax is similar to MediaWiki.

Mongoid::Tags adds a simple tagging system to your Mongoid documents, and allows you to query them using a boolean search syntax.

Uses a grammar describing the keep-a-changelog format to attempt to parse a given file.

RdfContext parses RDF/XML, RDFa and N3 into a Graph object. It also serializes RDF/XML, Turtle and N-Triples from the Graph. * Fully compliant RDF/XML parser. * Fully compliant XHTML/RDFa 1.0 parser. * Notation3 parser (N3-rdf level) * N-Triples, Turtle and RDF/XML serializer * ConjunctiveGraph, named Graphs and contextual storage modules. Install with 'gem install rdf_context'

A gem for easily wrapping LaTeX code in Ruby

ScripTTY is a JRuby application and library that lets you control full-screen terminal applications using an expect-like scripting language and a full-screen matching engine.

Simple api on top of the graphite render api

The most flexible commerce platform available - designed from the ground up to be as open and extensible as possible.

A Ruby SQL parser based on Treetop.