- Learn REST: A Tutorial
- How to GET a Cup of Coffee (REST)
- Teach a Dog to REST
- Git Tutorial
- Github Resources
- Rails for Zombies (an free, interactive high level lab course provided by Code School)
- Ruby on Rails Tutorial (Michael Hartl)
- Ruby on Rails Guides
- Ruby on Rails API
- Ruby Documentation
- For a good tutorial on Ruby
Specifically for Mac OS X 10.10+ (both others are not difficult to locate)