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!)

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

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

Makes ActiveRecord 'find_by_id, find_by_(attr)' methods and 'has_one, belongs_to' relations are cacheable by PrimaryKey(PK) or any referenced columns using Rails.cache methods. It also supports fetching multiple records using PKs(ids) with find_all_cache method(if cache store supports multiple reads [hint: memcached_store, dalli_store supports.]).

Explore your data with SQL. Easily create charts and dashboards, and share them with your team. A drop-in replacement for Blazer.

User-friendly file-uploading experience over the web

Adds improvements to HTML syntax for id and class attributes

Fittext.js as a gem for Rails 3.1+,4

Wrapper for FitVids.js - Embedding a video resposively