riak-client is a rich client for Riak, the distributed database by Basho. It supports the full HTTP and Protocol Buffers interfaces including storage operations, bucket configuration, link-walking, secondary indexes and map-reduce.

The Ruby Language Toolkit provides classes for creating context-free grammars, lexers, parsers, and abstract syntax trees.

Floor/nearest/ceiling rounding by arbitrary steps for Integers, Floats, Times, TimeWithZones, and DateTimes.

Glues rQRCode together with chunky_png

scanf is an implementation of the C function scanf(3).

Write Through and Read Through caching library inspired by CacheMoney and cache_fu, support ActiveRecord 4.

A simple, flexible, extensible, and liberal RSS and Atom reader for Ruby. It is designed to be backwards compatible with the standard RSS parser, but will never do RSS generation.

A Ruby API for interfacing with Campfire, the 37Signals chat application.

Knows how to calculate the SkunkScore for a set of Ruby modules

Automatic Lossless Reduction Of All Your Images

Still in development. Simple client for Telegram's Bot API

A Thrift client wrapper that encapsulates some common failover behavior.

This gem allows you to easily use the Pivotal Tracker v5 API.

A rich text editor for everyday writing

A Ruby wrapper for the Tumblr v2 API

Ruby wrapper for the Unsplash API.

Create simple and powerful service objects.

Adds zipcode validation methods to ActiveModel considering different country zipcode formats.

Isn't it awesome how `optparse` and other option parsers generate help and usage-messages based on your code?! Hell no! You know what's awesome? It's when the option parser *is* generated based on the help and usage-message that you write in a docstring! That's what docopt does!

Multiple worksheets can be added to a workbook and formatting can be applied to cells. Text, numbers, formulas, hyperlinks and images can be written to the cells.