You can model your Timed Colored Petri Net in Ruby using convenient DSL and simulate it quite efficiently.

Fatboy is a gem designed to easily keep track of views. It doesn't touch your SQL, and stays slim in redis. It also makes it easy to query based on how viewed something is.

iTunes In-App Purchase Receipt Verification

Minimal Ruby 2 wrapper for fattura24 apis.

fauxpaas-client

Give an URL and receive a favicon image.

A gem that provides authentication by JWT(json web token) with faye.

Command line interface to the Facebook graph API.

Wrapper for FCC API

A Ruby wrapper for Fcoin API

Helper function for the Enumerable module which returns a frequency distribution.

A barebones file system watcher which uses native file system events for Linux, OSx, and Windows.

Simple implementation of the 'Feature Flags' pattern as a Ruby gem. Allows you to set defaults in a Hash of the form: ```{ feature_name_1: true, feature_name_2: false, feature_with_variations: 'A' }``` and override them with correspondingly-named environment variables. In the example above, ...

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.

This gem introduces the concept of "features" and "settings" to your Rails app. It provides an easy way to define such features and settings with default values right in your code and will persist them in the database.

An open-source Ruby implementation of FECFile

Moderation additions for Federails; reporting, limit/suspend, server blocking, etc

Federal Offense intercepts outbound emails in Rails and allows you to preview them in a user-configurable mounted location

Interface for FedEx Label Services API.

Interface for FedEx Location Services API.