Cute command line IP addy getter.

Shoot The Other Node In The Head (with a nerf gun)

This gem is easily health-checking your server

factory_girl provides a framework and DSL for defining and using factories - less error-prone, more explicit, and all-around easier to work with than fixtures.

Gives you a fist full of code metrics

HTTP server mocking tool

An algorithm to merge related nodes of two taxonomic hierarchies with synonym information

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

Haversine great-circle distance formula implemented as C extension

FatSecret API Client

Provides helper methods for automatically updating model fields on views

Provides support for easy communication with Faye shards

Facebook Dialog Url Duilder

Support for sessions tied to Facebook users.

simple facebook auth

Conditional statement to chose feature in your application

Mounts a Fedora Commons repository as a FUSE filesystem

Gem to extend FFaker to generate valids brazilian CPF or CNPJ

Provide a real-time map of flight position in Flightgear. It is based on tiles from Openstreetmap with elevation shading, provides navigation aids and runways, allows setting of waypoints, sends these to Flightgear's route-manager and tracks the flight.

This gem returns the largest integer value from the Fibonacci Sequence smaller than the given integer