Generate error pages for Rails applications

Use esbuild to compress your Rails CSS

Everett is a substitute for Active Record Observer on Rails 5.

This gem provides a thin layer to connect an externally-managed asset pipeline to ActionView's AssetUrlHelper and AssetTagHelper methods. This is useful if you are comfortable leveraging other programs to produce an asset manifest and you just want it to integrate with ActionView's helper methods...

A gem that helps you generate your factory files.

FancyTree integration for Rails

A FilePicker / PaperClip mashup. Use Filepicker for uploads and paperclip to process them.

FindBug is a Sentry-like error tracking and performance monitoring gem that stores data locally using Redis and your database. Features include exception capture, performance instrumentation, alerting, and a built-in dashboard.

Fine Uploader by Andrew Valums integrated for Rails 3.1 Asset Pipeline

Flag Icon Css

A lightweight & powerful datetimepicker using flatpickr lib https://github.com/chmln/flatpickr

Feature flipper is the act of enabling/disabling features in your application, ideally without re-deploying or changing anything in your code base. Flipper makes this extremely easy to do with any backend you would like to use.

Use Facebook's Flux dispatcher and Node EventEmitter in your Rails project.

Font Awesome More, SASS version, with assets pipeline, for Rails 3.1+

A fork of the original 'font-awesome-rails' gem to include a base64 encoded css file of all of the fonts (primarily for the purposes of pdf generation).

The best Ionicons gem made for Ruby on Rails and with helpers for better use.

This gem provides the assets for the formalize form styling, for easy usage with the Rails 3.1 asset pipeline.

Easily add jquery inputmask to your Formtastic.

Provides client side validations for forms with the http://formvalidation.io/ library.

fuelux-rails project integrates Fuel UX Bootstrap extensions for Rails 3.1 Asset Pipeline