With FourOFour you will be able to handle your 404 responses and change how your application behave dynamically and with the 'right' way: using a class for a delegation, separating all the concerns. Routes and logic should have their own space.

Client for Freckle's API V2.

Command line client for Freckle.

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

rough management of compressed gems

A ruby API client for freshdesk.com.

FTP MVC framework

FTPMVC asynchronous upload using resque

Slack bot to watch your language.

Swear in your code!

An implementation of the Future construct (https://en.wikipedia.org/wiki/Futures_and_promises) which uses system Processes for background value evaluation

Client for the G5 Auth service

An API wrapper for Riot Games League of Legends

Dynamically define models, controllers, and routes

A Ruby gem of calculating the response of Ovarian cancer patient according to levels of CA 125 as defined by the GCIG

Validate your Gemfile.lock against Gemnasium.

Automatically update and overwrite version of gems in Gemfile

Create a Gemfile line that specifies either the latest version of a gem or the version currently in use.

Gemometer is intended to be used on your continuous integration server to notify when there are new versions of the gems used on your project.

Add some handy helpers for developing Embulk plugins