Tabulous provides an easy way to add tabs to your Rails application.

Translation Center is a multi lingual web engine for Rails 3 apps. It builds a translation center community with translators and admins from your system users.

Bit array for ActiveRecord

Import tabular data from spreadsheets or similar sources into data models

Adds various #where_assoc_* methods to ActiveRecord to make it easy to do correct conditions on the associations of the model being queried.

This 'acts_as' extension provides multi-table inheritance for rails models.

JWT authentication solution for Rails APIs

Build clean and maintainable styles for your axlsx spreadsheets. Build your spreadsheeet with data and then apply styles later.

Twitter Bootstrap HTML Helper

Auto-create models, views, controllers, and routes with this slick Rails extension

Create, manage, and send scheduled email sequences and drip campaigns from your Rails app.

Compose, decouple and manage domain logic and data persistence separately. Works particularly great for composing form objects!

Download, pull out of a ZIP/TAR/GZ/BZ2 archive, parse, correct, and import XLS, ODS, XML, CSV, HTML, etc. into your ActiveRecord models. Uses Upsert internally for speed.

Safe destroy for ActiveRecord.

Dynamic Sitemaps is a plugin for Ruby on Rails that enables you to easily create flexible, dynamic sitemaps for Google, Bing, and Yahoo.

Ruby workflow/orchestration engine

Creates surrogate keys on ActiveRecord models, sets cache/surrogate headers, and adds a purge method to ActiveRecord objects.

Fast fuzzy string matching for rails

Provides support for using versioning gems such as PaperTrail with Globalize.

JQuery Mobile files for Rails' assets pipeline