Calculates the difference in days between two dates. The calculation is based on the 360 day year used in interest calculations. Different methods are provided. The default method aims to be fully compatible to Excel/Calc based calculations.

Library that includes enums, and rails support for enums and bitfield sets.

This is a Digest module implementing the Tiger hashing algorithm. The size of a Tiger hash value is 192 bits.

This is a Digest module implementing the Whirlpool hashing algorithm. The size of a Whirlpool hash value is 512 bits.

DynamoDB ORM for Ruby

The djatoka library provides some simple methods for creation of the OpenURLs needed to communicate with the Djatoka image server.

DlValidator is a small gem that performs soft checks against a drivers license number and state. This is used only to flag a drivers license as being invalid, and is not intended to be considered true denial on a drivers license number.

A tool for managing a TaskPaper-like file of recent activites. Perfect for the late-night hacker on too much caffeine to remember what they accomplished at 2 in the morning.

A library to extract information about top-level domain and registered name from generic and international domain names

It may be used for other HTTP servers.

Monitoring connected Android devices via adb command. And you can create simple http graph wth Google API.

Droonga engine is a core component in Droonga system. Droonga is a scalable data processing engine based on Groonga. Droonga means Distributed Groonga.

A (better?) replacement for open-uri. Gets the contents of local and remote files as a String, no questions asked.

Ruby wrapper for eBay Enterprise Affiliate Network API (formerly PepperJam Exchange API). See http://help.pepperjamnetwork.com/api for details.

Loads records from Elasticsearch. parallel query support.

Loads records from Elasticsearch. parallel query support. Allows connect to self signed ssl servers

Loads records from Google Analytics.

Load records from Google Spreadsheets.

Simple BDD API for testing asynchronous Ruby/EventMachine code

Add an encrypted cookie jar for Rails 3 that can be chained with permanent and signed cookies