Common utils used by active_merchant, active_fulfillment, and active_shipping

debugger is a fast implementation of the standard Ruby debugger debug.rb. It is implemented by utilizing a new Ruby C API hook. The core component provides support that front-ends can build on. It provides breakpoint handling, bindings for stack frames among other things.

Grocer interfaces with the Apple Push Notification Service to send push notifications to iOS devices and collect notification feedback via the Feedback Service. There are other gems out there to do this, but Grocer plans to be the cleanest, most extensible, and friendliest.

Protect attributes from mass assignment

FakeWeb is a helper for faking web requests in Ruby. It works at a global level, without modifying code or writing extensive stubs.

Speeds up the Rails 3 asset pipeline by only recompiling changed assets

Encryption solution for salted-encryptors on Devise

OpenID Connect Strategy for OmniAuth.

Ruby library for the Xero accounting system API.

Render MJML + ERb template views in Rails

Twine is a command line tool for managing your strings and their translations. It is geared toward Mac OS X, iOS, and Android developers.

Process your Paperclip attachments in the background with ActiveJob

See statistic about your workers (GSoC project)

A tool to generate artifacts using UDB data

AutoStripAttributes helps to remove unnecessary whitespaces from ActiveRecord or ActiveModel attributes. It's good for removing accidental spaces from user inputs. It works by adding a before_validation hook to the record. It has option to set empty strings to nil or to remove extra spaces inside the string.

Microsoft Azure Client Core Library for Ruby SDK

DynamicForm holds a few helper methods to help you deal with your Rails3 models. It includes the stripped out methods from Rails 2; error_message_on and error_messages_for. It also brings in the functionality of the custom-err-messages plugin, which provides more flexibility over your model error messages.

Tolk is a web interface for doing i18n translations packaged as an engine for Rails applications.

Browserify + Rails = CommonJS Heaven

Out-of-Band Server Triggered DOM Operations