Threatinator is a library and tool for parsing threat data feeds.

Cellula aims to be a framework for building, running and studying cellular automata.

A library to create beautiful charts using a clean DSL and chartist.js

Double Entry Bookkeeping for Rails

DSL utilities

A simple data serialization generator for java, ruby and javascript

A versatile task runner

You can model your Timed Colored Petri Net in Ruby using convenient DSL and simulate it quite efficiently.

Filtri is a tool that simplifies the work of applying multiple substitution rules to a string.

Great Ruby Cache for ruby gems

This gem allows you to define a set of conditions and test values against them.

Ingesting local and remote data files into ActiveRecord

Ruby-driven IPTables

Streaming PDF writer DSL

DSL for documenting JSON-like schema

A builder dsl to programatically build json-schemas that are composable and reusable.

DSL for building ldif config for ladle server

Never use XSLT again...

The OpenAPI-driven web framework for Ruby.

Mongoid layer for the Sphinx fulltext search server that supports block fields and dynamic indexes