Manage (turn on/off) different features in your rails app.

Implements the Finitio information language in Ruby.

Ruby library for creating/maintaining your development environment

Ruby gem for reading Garmin FIT files

Rails plugin that provides the FiveRuns TuneUp Panel (http://tuneup.fiveruns.com)

Schema-free, structured JSON storage inside a RDBMS.

BuscaBR algorithm which allow the comparison of words based on their phonetic likeness

Theme changes for Satellite 6.

A ruby implementation of the Open Spaced Repetition's Free Spaced Repetition Scheduler.

Published as a gem by adam.bird@gmail.com

Genealogy is a ruby gem library which extends ActiveRecord models in order to make its instances act as relatives so that you can build and query genealogies

Genio is an extensible tool that can generate code to consume APIs in multiple programming languages based on API specification formats: JSON-Schema/WSDL/WADL

Geo calculations in ruby and javascript

A ruby library for accessing the last.fm v2 webservices

Command line utility to post gists to a tumble log.

git-gsub: Newer version is written in Go and Ruby implementation is deprecated. See https://github.com/fujimura/git-gsub

Uses BigQuery and GitHub Archive to create something like TimeHop for GitHub.

Caches retrieved information to your user profile and reuses it when you query again.

Authenticate with GitHub

Provides few more parameters to estimate quality of the GitHub project besides stars.