BackHub - Backup and archive your GitHub repositories with BackHub. Find us on the GitHub Marketplace.
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.
Cloudback.it - Cloudback secures your GitHub repositories with recurrent data backup. With Cloudback you can use your favorite cloud storage provider or a built-in one.
Google's Python Class - Assorted educational materials provided by Google.
GitProtect.io - Fully manageable, most professional GitHub and Bitbucket backup
Think Python - Learning Resources