Dallas provides a DSL that allows you to define and create notifications for any kind of target. Currently it supports only create and update actions of a resource and only email notifications.

Multi-currency money library backed by BigDecimal

Add dynamic styling to your store.

This is a dangerous gem, don't use it

Roles easy like sunday morning.

Daredevil provides insight into JSON API errors with friendly messages, verbose error details, and it's dead simple.

Extension of active support classes with usefull methods

Daru (Data Analysis in RUby) is a library for analysis, manipulation and visualization of data. Daru works seamlessly accross interpreters and leverages interpreter-specific optimizations whenever they are available. It is the default data storage gem for all the statsample gems (glm, timeseries, etc.) and can be used with many others like mixed_models, gnuplotrb and iruby. Daru Lite is a fork of Daru that aims to focus on data manipulation and stability.

Description of DashAdmin.

Dash addon for Myadventist.

A gem for easy access to attributes stored in a serialized data hash

Provides simple methods on an ActiveRecord model using an ActiveRecord concern to invalidate/save single_column caches.

Easy way to find spec which doesn't clear database after execution

Transforms the data of a database from an old schema to a new one.

Rails gem to store view templates in your database. Current supports only Mongoid.

It lets you use methods like create, update, destroy in the Javascript while handling all the setup and providing basic security out of the box.

A simplified implementation of the data mapper pattern

show attributes better

Gist for MySQL

This gem generates configurable grids for Rails applications