Performs pruning or one-level promotion of Hash attributes (typically labeled "private:"), and deep merges and joins of Hash objects. Works on Array objects containing Hash objects as well.

Toolkit for working with Hashes

Nice DSL to convert hash structure to different one.

a gem to check whether given to hashes are of the same format

Extends ActiveSupport's symbolize_keys to recursively symbolize keys at all levels in a Hash

Custom fields forActiveRecord models, suppport Rails 4!

Implementation of the HasOffers API for affiliate advertising.

Keep specified associations in sync with ease using async reindexing (searchkick gem is required).

Hoff up your desktop.

Easily track streaks on your ActiveRecord models.

Hasten the import of mysql dumps, especially those containing very large innodb tables with multiple indexes.

Create translations for your ActiveRecord models. Uses delegate pattern. Fully tested and used in a several production sites.

Prototype Gosu games with ease

Hatenablog AtomPub API library

A Notification Management Tools

A Jekyll extension that adds in Live Reload

This gems helps you exporting your pictures from huaban.com.

HdrHistogram is an algorithm designed for recording histograms of value measurements with configurable precision. Value precision is expressed as the number of significant digits, providing control over value quantization and resolution whilst maintaining a fixed cost in both space and time.

A tool to inspect your chef repo as is compares to what is on your chef server

Plugin to check webservice connection in heartcheck.