
Codecademy Ruby course
Hackr.io
Why's (Poignant) Guide to Ruby
The Pragmatic Studio
The New Boston video series
Exercism
The Odin Project
Codecademy
ScholarSail
MindMeister
Mindmup
Quizlet
Anki
Notion
Xmind
Coggle
Hackr.io - There are tons of online programming courses and tutorials, but it's never easy to find the best one. Try Hackr.io to find the best online courses submitted & voted by the programming community.
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
Why's (Poignant) Guide to Ruby - A fun way to learn to program in Ruby.
Mindmup - Cloud-based collaborative mindmap Software-as-a-Service.
The Pragmatic Studio - Learn the Ruby programming language, and get ready for Ruby on Rails, in this step-by-step, project-based video course.
Quizlet - Quizlet allows you to review and create flashcards for a variety of subjects, such as math and reading.