Development

Coding

• Github
• BitBucket
• Gists
• Coderbits
• GeekLi.st
• Koding.com

Clean Code

• Google-community
• Uncle Bob's Blog
• CleanCoders (Uncle Bob)
• blog.cleancoder (Uncle Bob)

Agile

• Agile Manifesto (I signed by the way)
• Agile Alliance
• Scaled Agile Academy

Other Links

Ruby, Ruby On Rubyails:

• Ruby On Rails API
• Railscasts (Ryan Bates)
• Virtuous Code (Avdi Grimm)
• Shades of Gray (James Edward Gray II)
• Dave Thomas (Pragmatic Programmer)
• RubyTapas (Avdi Grimm)
• Ruby5 (EnvyLabs)
• S3.index

Cheating

• Stackoverflow
• English Language & Usage
• Twitter Bootstrap Icons
• vi cheat-table
• vim cheat mobile
• VimBits
• TMUX man page

Screencasts & Blogs

• Rake Book

News, Pods, ...

• Ruby Rogues | Parley
• Steve Klabnik
• Chad Fowler
• Jason Fried

Not all about Programming

• GoodRead
• TED Talks
• Medium ... what matters
• Medium - on Coding
• Feed.ly