The mime-types library provides a library and registry for information about MIME content type definitions. It can be used to determine defined filename extensions for MIME types, or to use filename extensions to look up the likely MIME type definitions. Version 3.0 is a major release that requi...

mime-types-data provides a registry for information about MIME media type definitions. It can be used with the Ruby mime-types library or other software to determine defined filename extensions for MIME types, or to use filename extensions to look up the likely MIME type definitions.

factory_bot provides a framework and DSL for defining and using factories - less error-prone, more explicit, and all-around easier to work with than fixtures.

Loads environment variables from `.env`.

This pure Ruby library can read and write PNG images without depending on an external image library, like RMagick. It tries to be memory efficient and reasonably fast. It supports reading and writing all PNG variants that are defined in the specification, with one limitation: onl...

Parse CSS and add vendor prefixes to CSS rules using values from the Can I Use website.

Modify your ENV

ice_cube is a recurring date library for Ruby. It allows for quick, programatic expansion of recurring date rules.

Log all changes to your models

Log all changes to your models

A framework for building reusable, testable & encapsulated view components in Ruby on Rails.

Adds methods to ActiveRecord::Migration to create and manage database views in Rails

Suspenders is a Rails plugin containing generators for configuring Rails applications. It is used by thoughtbot to get a jump start on a new or existing app. Use Suspenders if you're in a rush to build something amazing; don't use it if you like missing deadlines.

ruby-vips is a binding for the libvips image processing library. It is fast and it can process large images without loading the whole image in memory.

Search Engine Optimization (SEO) plugin for Ruby on Rails applications.

Rack middleware to measure production code usage (LOC runtime usage)

A Toml parser using Citrus parsing library.

The minitar library is a pure-Ruby library that provides the ability to deal with POSIX tar(1) archive files. This is release 0.12. This is likely the last revision before 1.0. minitar (previously called Archive::Tar::Minitar) is based heavily on code originally written by Mauricio Julio Fernán...

Build reactive applications with the Rails tooling you already know and love.

DecentExposure helps you program to an interface, rather than an implementation in your Rails controllers. The fact of the matter is that sharing state via instance variables in controllers promotes close coupling with views. DecentExposure gives you a declarative manner of exp...