circuit_switch is a gem for 'difficult' application. This switch helps to make changes easier and deploy safely.

clogger is Rack middleware for logging HTTP requests. The log format is customizable so you can specify exactly which fields to log.

swift code formatter

Fontcustom for Compass

A concurrency library for Ruby inspired by java.util.concurrency and Go (golang). By http://www.appoxy.com

ConoHa VPS CLI Tool

Dynamic scopes by convention for ActiveRecord 3

See https://docs.corepro.io for more detail.

Write Stories and User Acceptance Tests using Contest, the tiny add on to Test::Unit that provides nested contexts and declarative tests.

Implements the Null Object Pattern and an implmentation of nested hashes using NullObject.

This is a crawler framework.

Ikachan compatible interface with multiple backends (IRC, Slack, etc)

Export, sanitize, and import data to help develop better apps.

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.