Clean up complex view logic using Draper. This gem provides decorators (much like presenters) which bundles view logic in an object oriented fashion. In this episode I do a step-by-step refactoring of a complex template into a decorator. (12 minutes)

Spork improves the loading time of your test suite by starting up your Rails application once in the background. Use it with Guard for the ultimate combo in fast feedback while doing TDD. (9 minutes)

Active Admin allows you to quickly build an admin interface with just a few commands. Not only does it look great, but it is very customizable as shown in this episode. (12 minutes)

Sorcery is a full-featured, modular solution to authentication which leaves the controller and view layers up to you. (10 minutes)

Pry is an alternative to IRB and sports many great features. Here I show how to integrate it into a Rails app, and how it can aid in debugging. (8 minutes)

Sunspot makes it easy to do full text searching through Solr. Here I show how to search on various attributes and add facets for filtering the search further. (10 minutes)

It can be difficult to test code that deals with the current time or an external web request. Here I show you how to do both using the Timecop and FakeWeb gems. (8 minutes)

If you need to work with geographic data, Geocoder is an excellent gem for converting addresses and coordinates, finding nearby locations, determining distances, and more! (8 minutes)

Redcarpet is an easy-to-use gem which interprets Markdown. Here I show how to customize it and add syntax highlighting through Pygments and Albino. (6 minutes)

Resque creates background jobs using Redis. It supports multiple queue and comes with an administration interface for monitoring and managing the queues. (12 minutes)