Flashcam, tastefully bundled for the Rails 3.1 asset pipeline. Sweet! (forked from ruliana/flashcam-rails, which in turn was forked from zigotto/flashcam-rails)

flashlight displays your rails flash messages. Works with old flashion page loads and AJAX.

flashy provides helper methods to render flash messages in Rails views. Besides, it provides a javascript library to create flash messages in the browser

simple liberary to include flat-ui into rails apps

Integrate flatui based on bootstrap3 with rails

Asset pipeline gem for the Jquery Mobile Flat UI gem.

flat-ui for rails

Simple and flexible preferences integration for ActiveRecord models.

["A simple flexbox mixin"]

Flexible.gs is an awesome grid system. flexiblegs-rails makes it really easy to use it in your Rails 4 projects

Support for lazy loading patches in Rails engines

This gem provides flowplayer flash player for your Rails 3 application.

flowtype.js is Responsive web typography at its finest: font-size and line-height based on element width. This gem easily includes it to use rails asset pipeline.

A gem that allows you to use the FluentUI Icons library by Microsoft in your Ruby/Ruby on Rails applications.

Fluxxor is a set of Flux architecture tools for React. This gem makes it available for the Rails asset pipeline.

This is client library for Padma-FNZ API.

Use fondant in Rails' asset pipeline

font-awesome5-rails provides the Font-Awesome 5 Free web fonts and stylesheets as a Rails engine for use with the asset pipeline.

FontawesomeCdn provides simple Rails helpers to load Font Awesome (Free or Pro) via CDN or Kit, and render icons using a flexible, class-based API.

fontawesome_icons_rails provides Font Awesome 5/6/7 support (Free assets included; optional Pro import via generator).