Easy Parallel Executing using Celluloid

gem for adding DKIM signatures to email messages

Fluentd filter output plugin to anonymize records with HMAC of MD5/SHA1/SHA256/SHA384/SHA512 algorithms. This data masking plugin protects privacy data such as UserID, Email, Phone number, IPv4/IPv6 address and so on.

Automatic detecting missing I18n translations tool.

A basic Mandrill delivery method for Rails.

Store nested hashes and other types in ActiveRecord hstores

Improve perceived performance of your rails application with minimum effort

Easily write arbitrary filters

Debugging toolbar for Rack applications implemented as middleware. Based on logical-insight and rack-bug.

A Rails engine that adds a piece of middleware to the top of your middleware stack that looks for redirect rules stored in your database and redirects you accordingly.

A nifty service layer for your Rails app

It makes working with pure SQL easier with syntax highlighting. Let's you clean your Ruby code from SQL strings.

Manage delta indexes via Delayed Job for Thinking Sphinx

Enhanced AJAX handling for Rails apps.

An Active Admin plugin to add dynamic behaviors to fields

Simulate multi-table inheritance for activerecord models using a polymorphic association

MySQL index hint support for ActiveRecord

Represent ActiveRecord Markdown, Textile, RDoc columns as Markdown, Textile, RDoc objects using various external libraries to convert to HTML.

Fast Rails serializer with built-in caching

Cape dynamically generates Capistrano recipes for Rake tasks. It provides a DSL for reflecting on Rake tasks and mirroring them as documented Capistrano recipes. You can pass Rake task arguments via environment variables.