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

Ruby on Rails integrations for Elasticsearch.

uniform notifier for rails logger, customized logger, javascript alert, javascript console and xmpp

A gem that provides Rails integration for the Sentry error logger

Rails::API is a subset of a normal Rails application, created for applications that don't require all functionality that a complete Rails application provides

Deprecated sanitizer API extracted from Action View.

Render components in views or controller actions. Server-side rendering powered by ExecJS. Transform JSX in the asset pipeline or use Shakapacker.

Beautiful, performant feature flags for Ruby and Rails.

This gem brings you the power of the premailer gem to Rails without any configuration needs. Create HTML emails, include a CSS file as you do in a normal HTML document and premailer will inline the included CSS.

A Rails form builder plugin/gem with semantically rich and accessible markup

A rails helper that makes including svg Octicons simple.

twitter-bootstrap-rails project integrates Bootstrap 5 CSS toolkit for Rails 8, 7, 6, 5 (also supports) Asset Pipeline

Intelligent search made easy with Rails and Elasticsearch or OpenSearch

Draper adds an object-oriented layer of presentation logic to your Rails apps.

Solidus is an open source e-commerce framework for Ruby on Rails.

Profiling toolkit for Rack applications with Rails integration. Client Side profiling, DB profiling and Server profiling.

Administrate is a library for Rails that generates admin dashboards. These give users clean interfaces that allow them to create, edit, search, and delete records for any model in the application. Administrate aims to provide the best user experience, and doing as much work as possible for you, w...

A Ruby on Rails CMS that supports Rails 5.1. It's developer friendly and easy to extend.

>> puts "this is red".red >> puts "this is red with a blue background (read: ugly)".red_on_blue >> puts "this is red with an underline".red.underline >> puts "this is really bold and really blue".bold.blue >> logger.debug "hey this is broken!".red_on_yellow # in rails >> put...

factory_girl_rails provides integration between factory_girl and rails 3 or newer (currently just automatic factory definition loading)