Run test/unit tests by line number. Metal!

Wrapper objects which encapsulate measurements and their associated units in Ruby.

A simple library to handle recurring events

Runbook provides a DSL for specifying system operations. This DSL is used to generate formatted runbooks as well as interactive runbooks to be executed on the command line.

Making callback tests easy on the fingers and eyes

Rack middleware to remove invalid UTF8 characters from web requests.

acts_as_api enriches the models and controllers of your app in a rails-like way so you can easily determine how your XML/JSON API responses should look like.

A Ruby wrapper for the AvaTax REST and Search APIs

Data anonymization tool for RDBMS and MongoDB databases

The finance library provides a Ruby interface for working with interest rates, mortgage amortization, and cashflows (NPV, IRR, etc.).

An easy to configure, easy to extend monitoring framework written in Ruby.

Simplified command-line administration for Kafka brokers

A framework for creating e-books from Markdown using Ruby. Using the Prince PDF generator, you'll be able to get high quality PDFs. Also supports EPUB, Mobi, Text and HTML generation.

Transactional Mailer for Mandrill

小説家になろうで公開されている小説の管理、及び電子書籍データへの変換を支援します。縦書用に特化されており、横書き用に特化されたWEB小説を違和感なく縦書で読むことが出来るようになります。

OpenTok is an API from TokBox that enables websites to weave live group video communication into their online experience. With OpenTok you have the freedom and flexibility to create the most engaging web experience for your users. This gem lets you generate sessions and tokens for OpenTok applications. It also includes support for working with OpenTok 2.0 archives. See <http://tokbox.com/opentok/platform> for more details.

Rails middleware to prerender your javascript heavy pages on the fly by a phantomjs service

A (partial)implementation of the XMLENC specificiation

Add binary (not string) UUIDs to ActiveRecord in MySQL

Authorize.Net SDK includes standard payments, recurring billing, and customer profiles