FoundationKit provides....

Fourchan Kit is a Ruby wrapper and tool for the 4chan API. Use Fourchan Kit to interact with the API using Ruby, or use the tool to interact with the threads on 4chan.

Simple foursquare api client

FourthBase provides support for Rails to manage dual databases by extending ActiveRecord tasks that create, migrate, and test your databases.

A collection of Stern-Brocot based models and methods

This is a collection of useful tools to help you in more easily instrumenting Ruby applications for the Prometheus monitoring system.

Client library for accessing Fraudpointer REST API

Build faust-executable DSP graphs in Ruby DSL with ruby2faust; or convert Faust to Ruby with faust2ruby.

A JSON API in Sinatra for scouting FRC competitions, and that manages the database using Mongoid.

Ruby client for the FreeAgent API.

FreeLing::Analyzer is a Ruby wrapper around `analyzer`, a binary tool included in FreeLing's package that allows the user to process a stream of text with FreeLing.

A Ruby script to analyze VLAN distribution on network devices, generating tables or PNG images.

Freight carrier API and website abstraction library for transportation management systems (TMS)

Define all services you need to run and this will launch,daemonize,and monitor them for you.

api wrapper for friendlyscore.com platform

Pings a list of IPs and reports their status.

FRPREP - Fred and Rosy PREProcessor.

Fryfro provides an interface for the Flurry API.

Python-alike formatting strings with Ruby flavour: f"{x=%.2f}"

An FTP Service is like a web service except stupid. You send your request by uploading an xml file and get your response by downloading another xml file.