Seriously, this thing is great

A pure Ruby implementation of the SpaceSaver algorithm for approximating the top K elements in a data stream, backed by Redis

Natural language time span parsing & formatting

Ruby "port" of Zach Holman's Spark. For the sake of Rubygems packaging & better integration

A ruby wrapper for the DNSimple API that also includes a command-line client. Modified by SPARQCode to include the ability to set name servers on a domain (hopefully part of the official gem soon).

Fast and light S-Expression parser

Keep your tests DRY. This makes some methods available to avoid repeating yourself during testing

Make me fabulous

Adds a couple of class and instance methods to controllers and views that help you load assets

Analyze a wav file for specific frequency signatures

Formtastic form builder to generate Twitter Bootstrap-friendly markup.

Twitter-OAuth Sign On System on Rails

This library is currently focused on reverse-engineering the undocumented parts of Sphero

An HTTP client designed for use with JRuby in a threaded environment

sprial an array of numbers 1-20

Light rack-based framework with controllers, HAML/ERB views, router & error handler

Print vars to your rails console with colors and labels.

Simple distribution-based sampling of arbitrary objects from any number of buckets. Splashy. Buckets. Get it!?

Generates log lines with request_id=xxx for easy splunking!

Simple Push Notification Server written with Sinatra and Sequel(Sqlite3)