If you’re interested in developing web apps, you’ll want to get familiar with Ruby.

This powerful application framework is fundamental to some platforms you might be familiar with — Twitter, Shopify, Github, Groupon, Hulu, Airbnb, and lots more. Fluency with Ruby on Rails is invaluable skill for anybody working in web development, which is exactly what this bundle of lessons offers.

Clocking in at over 57 hours, you can get access now for just $29.

Hundreds of individual lessons cover the gamut of understanding and applying Ruby on Rails.

Even if you’re a raw beginner, you can work your way up to an understanding of techniques like RSpec 3 and Capybara, basic principles like database modeling, and building working apps like a complete blog management system.

But that’s barely scratching the surface of this deep mine of Ruby knowledge.

Take a look at the Ruby on Rails Coding Bootcamp going for $29 at Cult of Android Deals.