Local error visibility for Rails' ActiveSupport::ErrorReporter

ErdMap visualizes key models and associations in Rails applications, helping you understand their architecture by starting with the most important models and allowing zoom-in exploration.

Nice error handling

Simple, beautiful error messages for Rails. Err_supply unpacks and rekeys the standard Rails error hash to make applying error messages to your views dead simple. Even better, because the library cures Rails' brain-damaged way of recording errors from nested resources/attributes, err_supply works with both simple and complex forms.

Enables use of ES6 in assets, views and inline.

Escher helps you creating secure HTTP requests (for APIs) by signing HTTP(s) requests.

Add Assets and Views into the Rails ETag Equation.

Calendar with event that uses many models

Provides basic event management features with versioned history of changes.

Tracks and logs events and sends notifications of events on Active Record models.

simple elegant customize hooks

Gem for Eversign API SDK.

Execute SQL directly in rails console or in the code.

Measure execution time in Rails console

AB Test framework for Rails

ExpressAdmin is the admin menu framework used by appexpress.io, ExpressBlog, etc.

ExpressMailer is intended to be a quick and easy way to send yourself or your team members nice looking emails about things that happen in your rails application. No need for creating a new Mailer, copy views, wade through email HTML, or any of that. Just tell ExpressMailer a few things about what you want to send, and it makes a pre-designed ActionMailer object you can manipulate or deliver.

Scaffold Generator for Rails 3.2 and Sencha Extjs 4.1

Facebook Connect integration library for ruby and rails

Smooth Active Admin interface