Rails Database Viewer and SQL Query Runner

Monitor performance of you Rails applications (self-hosted and free)

Do it like => validates :photos, attached: true, content_type: ['image/png', 'image/jpg', 'image/...

Easy way to login as any user in system

Rails logs analyzer (see how fast your views are rendering)

A reliable way to generate PDF of any complexity in Ruby on Rails apps

The True Async Render in Rails

Learn Ruby/Rails topics during your app’s boot time.

Useful collection of RSpec addons

Open the source file with bug from the browser