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.

Background processing for ActiveRecord using a 'delayable' worker and a state_machine

Multi-currency money library backed by BigDecimal

Add dynamic styling to your store.

This is a dangerous gem, don't use it

MailCatcher runs a super simple SMTP server which catches any message sent to it to display in a web interface. Run mailcatcher, set your favourite app to deliver to smtp://127.0.0.1:1025 instead of your default SMTP server, then check out http://127.0.0.1:1080 to see the mail.

Roles easy like sunday morning.

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

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.

includes_count_of method on ActiveRecord::Relation to solve N+1 query problem when counting associated records

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.

Simply creates an HTTP API for cleaning your database to be used by client tests.

database-cloner-rails provides two rake tasks for moving database records between Rails environments. `rake database:download` dumps all ActiveRecord model records to plain Ruby files (Model.create(...) statements). `rake database:upload` replays those files to restore records in the target database. Useful for seeding a staging environment from production data, creating snapshots before destructive migrations, or sharing realistic test data across a team. Supports optional MODELS filtering: `rake database:download MODELS=users,posts` to dump only specific tables. The dump directory is created automatically.

Database exporter that prepares content to be imported

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.