Edit and display rich text in Rails applications.

Sprockets is a Rack-based asset packaging system that concatenates and serves JavaScript, CoffeeScript, CSS, Sass, and SCSS.

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.

Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri. Loofah excels at HTML sanitization (XSS prevention). It includes some nice HTML sanitizers, which are based on HTML5lib's safelist, so it most likely won't make your codes le...

This gem can compare doms and assert certain elements exists in doms using Nokogiri.

Ruby Sass is deprecated! See https://sass-lang.com/ruby-sass for details. Sass makes CSS fun again. Sass is an extension of CSS, adding nested rules, variables, mixins, selector inheritance, and more. It's translated to well-formatted, standard CSS using the command...

Capybara is an integration testing tool for rack based web applications. It simulates how a user would interact with a website

Easy upload management for ActiveRecord

Great Ruby debugging companion: pretty print Ruby objects to visualize their structure. Supports custom object formatting via plugins

This gem is used by GitHub to render any fancy markup such as Markdown, Textile, Org-Mode, etc. Fork it and add your own!

Collection of useful Sinatra extensions

Fast mime detection by extension or content (Uses freedesktop.org.xml shared-mime-info database)

Haml (HTML Abstraction Markup Language) is a layer on top of HTML or XML that's designed to express the structure of documents in a non-repetitive, elegant, and easy way by using indentation rather than closing tags and allowing Ruby to be embedded with ease. It was originally envisioned as a plu...

XPath is a Ruby DSL for generating XPath expressions

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

Behaviour Driven Development with elegance and joy

Active Merchant is a simple payment abstraction library used in and sponsored by Shopify. It is written by Tobias Luetke, Cody Fauser, and contributors. The aim of the project is to feel natural to Ruby users and to abstract as many parts as possible away from the user to offer a consistent inter...

Capybara aims to simplify the process of integration testing Rack applications, such as Rails, Sinatra or Merb. It is inspired by and aims to replace Webrat as a DSL for interacting with a webapplication. It is agnostic about the driver running your tests and currently comes bundled with rack-tes...

Capybara aims to simplify the process of integration testing Rack applications, such as Rails, Sinatra or Merb. It is inspired by and aims to replace Webrat as a DSL for interacting with a webapplication. It is agnostic about the driver running your tests and currently comes bundled with rack-tes...

This is a module to read, write and manipulate both binary and XML property lists as defined by apple.