A modular Ruby webserver interface

OAuth Core Ruby implementation

a Ruby command-line application framework.

Thor is a toolkit for building powerful command-line interfaces

Extracting `assigns` and `assert_template` from ActionDispatch

libcap-ng bindings for Ruby.

Simply adds a declarative test method syntax to test/unit

Rendering framework putting the V in MVC (part of Rails)

Ascii85 encoder/decoder

A set of common locale data and translations to internationalize and/or localize your Rails applications.

Domain Name manipulation library for Ruby

Use jQuery with Rails 4+

Reads and writes netrc files.

MessagePack, a binary-based efficient data interchange format