- Bastards Book to Ruby
- Why's Book with onions included
- Launch School Bookcase
- Chris Pine's Learn To Program
- Learn Ruby the Hardway
- Odin Project
- Practical Object-Oriented Design, An Agile Primer Using Ruby (POODR)
- https://i-love-ruby.gitlab.io/#_getting_started
- Eloquent Ruby
- The Pragmatic Programmers' Guide
- The Well-Grounded Rubyist
Cheatsheet & Links to specific Ruby docs location
- https://rubyalgo.github.io/algorithms/
- https://projecteuler.net/archives
- https://www.khanacademy.org/computing/computer-science/algorithms (Not Ruby)
- https://www.codecademy.com/learn/learn-ruby
- https://www.codewars.com/
- https://www.hackerrank.com/
- http://rubykoans.com/
- https://open.appacademy.io/
- https://www.bloc.io/ruby-warrior#/ (WARNING: This is really loud when you open it)
- https://sonic-pi.net/ (Music + coding)
- https://exercism.io/