FakerMaker is a simple factory builder so you can throw away your fixtures and generate test data instead.

This module calculate PVT by using raw observation obtained from a GPS receiver

Ruby implementation of the KDL Document Language Spec

Used for parsing SQL commands

The nagios_parser gem provides parsers for Nagios config and status files.

A pure-ruby parser and decoder toolkit for NMEA messages (GPS, AIS, and other similar formats) that provides convenient access to all data fields. All standard NMEA messages, nearly all AIS messages, and some proprietary NMEA messages are supported.

OFX for Ruby is a pure Ruby implementation of Open Financial Exchange specifications (1.0.2 through 2.1.1) for building both financial clients and servers, providing parsers/serializers for each version, and a uniform object model across all versions.

A model based on Rails controller actions to make user privileges and feature toggle simpler

RD is multipurpose documentation format created for documentating Ruby and output of Ruby world. You can embed RD into Ruby script. And RD have neat syntax which help you to read document in Ruby script. On the other hand, RD have a feature for class reference.

Regular expressions in Ruby

A JSON parser/generator that conforms (I believe) to RFC7159 "The JavaScript Object Notation (JSON) Data Interchange Format". That RFC is very different to its predecessor RFC4627, when it comes to parsing. This gem honors the updated syntax as possible. The generator guarantees that a parsed valid properly rounds-trip to identical valid JSON representation.

TP+

Template Engine for SQL

An Augmented Backus Naur form parser in Ruby.

A tool for automatic extraction and verification of Rails formal models. Just include it in your Gemfile, write a few invariants, setup Spass and `rake verify`!

Afterlife helps you setup your development environment and deploy code easily

Code project template renderer

cappruby

Fork of CAST, C parser and AST constructor.

Celluloid Benchmark realistically load tests websites. Write expressive, concise load tests in Ruby. Use Rubinius and Celluloid forpec high concurrency. Use Mechanize for a realistic (albeit non-JavaScript) browser client.