- Ruby Cheat Sheet - OverAPI #guide #cheatsheet
- Learn Ruby the Hard Way #ebook #free
- Try Ruby #course #interactive
- iwanttolearnruby - Collection of Ruby tutorials, excercises, puzzles etc. #resources #free #paid
- Ruby Monk - Learn Ruby #courses
- Ruby QuickRef by Ryan Davis #guide #reference
- Mackenzie Child Courses #courses
- Ruby on Rails Tutorial #ebook #free
- RailsCasts - Ruby on Rails Screencasts #screencast
- Objects on Rails - Notes on Flexible Web Application Design #book #free
- APIs on Rails - Building REST APIs with Rails #book #free