Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
ChalkStreet - Become a 'Better' you. Learn something new everyday.
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.
Workshop - Learn new skills simply by doing them.
Codeship - Codeship is a fast and secure hosted Continuous Delivery platform that scales with your needs.
Learn Anything - Search Interactive Maps to Learn Anything