The pr-zlib library is a pure Ruby implementation of both the zlib C library, and the Ruby zlib interface that ships as part of the standard library.

Easily encrypt data at rest with minimal changes to existing ripple models.

Wrapper around Cbc Linear Programming Solver

Rubylog is a Prolog-like DSL for Ruby.

A ruby-prof printer compatible with speedscope.app.

Ruby-VPI is a Ruby interface to IEEE 1364-2005 Verilog VPI and a platform for unit testing, rapid prototyping, and systems integration of Verilog modules through Ruby. It lets you create complex Verilog test benches easily and wholly in Ruby.

A simple toolkit for working with SAML.

Ruby client for Signalwire

Parses the subset of the TCL grammar needed for Nuke scripts

TP+

This gem provides a simple interface to the entire Wordnik API. Its methods are defined by the documentation that comes from the API itself, so it's guaranteed to be up to date.

Batch updating for ActiveRecord models

Simulated Annealing algoritm implementation.

API manager

A fast and nimble object serializer

A collection of tools for working with ArchiMate files from Archi

A collection of tools to diff and merge ArchiMate files

A tool for decoding and modifying ASCII CDRs.

A better version of OpenStruct

Use a hash syntax to automatically generate rake tasks which run benchmarks on given blocks of code