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.
Box Island: One Hour Coding - Charming mobile coding game (Hour of Code version)
Quick Code - Curated list of free online programming courses
Simple Grid - Responsive & lightweight CSS grid for your website.
Slip.so - With Slip you can monetize your programming knowledge. Build engaging and interactive programming courses for your audience
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