Simple usage of command line interface

Fassbinder crawls book offers on Amazon.

Rack Server API

Easy fasta filtering, wrapping, calculating common statistics, sorting etc. Based on the fasta_tool script that I think was written by Jason Stajich.

Simple and fast ui kit

Leverage the Rails generator to architect new Rails apps with lots of default gems, templates, and other recipes, quickly.

An open source, Ruby on Rails customer relationship management platform

fauxpaas-client

favicon.ico generator

Provides a command line tool for getting a user's favourite programming language from their GitHub public repositories.

Command line interface to your facebook apps

Gem consolidate all the graph api's into one set to ease the usage'

A gem to scrape facebook posts and comments

Description: Search images on Flickr for given keywords and create a collage with them.

A Ruby wrapper for Fcoin API

A file converter with many options.

Change all file extensions in folder.

A library to use FedEx Web Services

Feedcellar is a full-text searchable RSS feed reader and data store by Groonga (via Rroonga) with Ruby.

A tesing tools for Feedcellar.