Simple mime type detection using magic numbers, filenames, and extensions

Uglifier minifies JavaScript files by wrapping UglifyJS to be accessible in Ruby

Manipulate images with minimal use of memory via ImageMagick / GraphicsMagick

Simple, feature rich ascii table generation library

Daemons provides an easy way to wrap existing ruby scripts (for example a self-written server) to be run as a daemon and to be controlled by simple start/stop/restart commands. You can also call blocks as daemons and control them from the parent or just daemonize the current...

A high-level IO library that provides validation, type conversion, and more for command-line interfaces. HighLine also includes a complete menu system that can crank out anything from simple list selection to complete shells with just minutes of work.

A plain-Ruby implementation of GraphQL.

Renders and parses JSON/XML/YAML documents from and to Ruby objects. Includes plain properties, collections, nesting, coercion and more.

RequestStore gives you per-request global storage.

Convert directories, rpms, python eggs, rubygems, and more to rpms, debs, solaris packages and more. Win at package management without wasting pointless hours debugging bad rpm specs!

ActiveModel::Serializers allows you to generate your JSON in an object-oriented and convention-driven manner.

Easy upload management for ActiveRecord

Easy upload management for ActiveRecord

Easy upload management for ActiveRecord

Chef-branded binstubs for chef-client

Chef-branded binstubs for chef-client

Supervisors, Supervision Groups, and Supervision Trees for Celluloid.

Notifications, Internals, Logging, Probe, and essential Celluloid pieces demanding Supervision

Classes to support examples, benchmarks, or add special functionality.

Simple finite state machines with integrated Celluloid timeout support.