This gem helps to use Famo.us in Ruby on Rails.

Gem to automate use of the Onion's fartscroll.js using asset pipeline.

A ruby interface that determines file ownership for git repositories

Fauve lets you manage your app's colour scheme

Haskell fay adapter for the Rails asset pipeline.

FC Webicons Set is a set of resolution-independent social icons for use on your website. They use feature-detected SVG graphics (with PNG fallbacks) to display the icons over their appropriate negatively indented anchor titles. (Icons are CC-Attrib; attrib to http://fairheadcreative.com; thanks!)

FeatureMap helps identify and manage features within large Ruby and Rails applications. This gem works best in large, usually monolithic code bases for applications that incorporate a wide range of features with various dependencies.

A Rails engine that provides scheduled feed generation with auto-registration of generators

Twitter Bootstrap CSS toolkit for Rails 3 projects

Checkout the Fera Rails App github repo to get started with a beautiful Fera App integration.

Gemified ferroslider: http://www.alessandroferrini.it/lab/jQueryPlugins/ferroSlider/docs

A Ruby implementation of the FF1 Format Preserving Encryption algorithm from NIST SP 800-38G. Features dual-mode operation: reversible encryption for active data and irreversible encryption for GDPR compliance and secure data deletion while maintaining format and relationships. Now includes full UTF-8 text encryption support for arbitrary strings while preserving FF1 security properties.

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

foundation-datepicker's JavaScripts & Stylesheets for Rails 3.1+ asset pipeline. Actual javascript plugin belongs to 'najlepsiwebdesigner' and could be found at appropriate GitHub repo: https://github.com/najlepsiwebdesigner/foundation-datepicker

FieldableForm allows you to easily build an end user facing form builder.

FileAPI

Rails view helpers for Filepicker.io widgets

Fine Uploader by Andrew Valums integrated for Rails 3.1+ Asset Pipeline

I like Filled 7 fonts. I like the asset pipeline. I like semantic versioning. If you do too, you're welcome.

Filter.js for Ruby on Rails