If you have a model (User, Account, etc..) and you only want invited people to be allowed creating those resource. Good example is while in beta, invite only account creation.

IP address - integer conversion and activerecord support for ip attribute as integer column

You install this service on a windows machine, and it will keep it's IP address posted to a rails application specified and also updates subdomain status at afraid.org.

Issue Beaver creates Github Issues for TODO comments in your source code

Basic Ruby gem wrapper for NUS IVLE LAPI interface. All methods are implemented (but not tested).

Simple JamScript highlighter

Command line interface for the JIRA REST API

Utility to parse cmdline-jmxclient output into Ruby hash data.

A simple library for communicating with the join.me API (https://secure.join.me/welcome/webhelp/joinme/join.me/c_joinme_API.html)

This gem provides jQuery Mockjax support in Rspec integration testing with Capybara

A gem to create benchmark suites for your app. It allows you to keep track of your performance

A static site generator

Formats JSON

Core calculations for TPN

Transforms JSON into other JSON

Kiseru Pivotal Tracker client

A Kiseru client for Trello

Kiseru YouTrack client

Hadoop Chef Knife Plugin

Scrape the KBKB korfbal.be website