Scratch Programming Concepts
http://scratched.gse.harvard.edu/resources/scratch-programming-concepts
Scratch's help videos
https://scratch.mit.edu/help/videos/
Scratch's YouTube Channel
https://www.youtube.com/user/ScratchEdTeam
Code.org's YouTube Channel
https://www.youtube.com/user/CodeOrg
Code.org
http://www.code.org
Free Code Camp
https://www.freecodecamp.org/
Code Club Projects
https://codeclubprojects.org/en-GB/
Bitsbox
https://bitsbox.com/
Osmo
https://www.playosmo.com/en/
Tynker
http://www.tynker.com/
Alice
http://www.alice.org/index.php
Hopscotch
http://www.gethopscotch.com
Appinventor
http://appinventor.mit.edu/
Webmaker
https://webmaker.org/en-US
Scratch Jr
http://www.scratchjr.org/
Daisy the Dinosaur
http://www.daisythedinosaur.com/
Codenvy
https://chrome.google.com/webstore/detail/codenvy/lefigjbiimiemfhjmibbgemkpenelmag?hl=en
Kodable
https://www.kodable.com/
Crunchzilla
http://www.crunchzilla.com/