htmlreference.io - Learn by example with this free web-based guide to HTML.
OverAPI - Largest cheat sheet for programming languages and libraries
W3Schools - W3Schools is a web developers information website, with tutorials and references on web development...
Keypirinha - A lightning fast and flexible keystroke launcher for Windows. No installation required (portable).
CSS Reference - Sleek and comprehensive online reference for CSS
Unsplash - Unsplash is a website with high-quality free HD images. It has a catalog of more than three hundred thousand striking images that are neatly organized with tags. Read more about Unsplash.