Automatic detecting missing I18n translations tool.

ActiveModel + Redis

Store nested hashes and other types in ActiveRecord hstores

An extension to paper_trail, using this you can fetch actual object who was responsible for this change

Organize ActiveRecord model into a tree structure using PostgreSQL LTree

A lightweight cron scheduler for the Que async job worker

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

Record Cache for Rails 3

Enable using native sql enums

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

Easy split testing and feature flagging for Rails with TestTrack server

Enhanced AJAX handling for Rails apps.

Betterment's library for developing and testing service-oriented apps in isolation with WebMock and Sinatra-based fakes.

An Active Admin plugin to add dynamic behaviors to fields

UI interface for rails-settings-cached in active admin

Making object from any hash or hash array

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

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.