Ruby on Rails

A make-like build utility for Ruby.

A Ruby static code analyzer and formatter, based on the community Ruby style guide.

A library for generating fake data such as names, addresses, and phone numbers.

Language Savant. If your repository's language is being reported incorrectly, send us a pull request!

A library for setting up Ruby objects as test data.

Factory Bot ♥ Rails

A diff library that uses html tags to show differences

Takes your numbers and makes them *fancy*.

A Rails gem to send messages inside a web application

日本語ユーザに関する偽の情報をランダムに生成するためのライブラリ

Quickly insert database records with confidence

Rails for API only applications

The API on Rails tutorial application

Ruby client for the microsoft translator API