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.
OpenDesign.dev - Read and display data from designs, using code
Quick Code - Curated list of free online programming courses
BigTube - Makes watching programming tutorials more fun
Code4Startup - Learn Ruby on Rails, Python, AngularJS, NodeJS, React, Ionic by cloning AirBnb , TaskRabbit, Tinder, Product Hunt, Fiverr and . more.
Product Hunt Rank - How many times a website was upvoted on PH (Chrome ext.)