Resources

Documentation and Tutorials for Web Development

MDN (Mozilla Developer Network) has comprehensive documentation for web topics like HTML, CSS and JavaScript. It also has some really nice tutorials for beginners. https://developer.mozilla.org/en-US/

Resources about Robotics with LEGO® and LEGO® Technic

Our friends from Brickobotik are reviewing LEGO® robots and post information and tutorials about LEGO® Technic, Mindstorms® and more (German only).
https://www.brickobotik.de/

Resources for School Teachers

AppCamps, an organization from Hamburg that teaches programming for kids, published a great collection of training material for schools, for teaching topics like app development, Calliope mini, or online privacy (German only).
https://appcamps.de/unterrichtsmaterial/

Interactive JavaScript Tutorial

JS Hero is an interactive JavaScript tutorial created by Stefan Trenkel. You can go through the basics step by step, solve tasks and do exercises. It has a built-in check that shows if what you coded was right.
http://www.jshero.net/