An open source game about learning Git! Oh My Git! is an open source game that introduces players to the popular version control system "Git". It is highly interactive, and aims at building intuition for operations like "merging" or "rebasing" branches. Players are guided through the features of Git step by step – each level tells a little story where the player can use their new-found powers to solve problems or help others.

CUBE CSS is a CSS methodology that’s orientated towards simplicity, pragmatism and consistency. It’s designed to work with the medium that you’re working in—often the browser—rather than against it.

cheat allows you to create and view interactive cheatsheets on the command-line. It was designed to help remind *nix system administrators of options for commands that they use frequently, but not frequently enough to remember.

A fun spin practicing regex. Build your skills by playing Regex Crossword.

In this Eleventy (opens new window)course, we go from a completely empty directory to a full-blown marketing site for a design agency, and along the way, we dive really deep into Eleventy and front-end development best practices.

Learn CSS Grid with Wes Bos in 25 "pretty good" videos. From fundamentals to real world in about 4 hours.

A free online lecture course by Scott Jehl. Learn to analyze site performance, fix issues, monitor for regressions, and deliver fast, responsive designs from the start.

Collection of common CSS mistakes, and how to fix them.

Write a ton of code with a single line of Emmet. This is a free course that helps us to be faster developers.

Get started with JavaScript with this free course containing almost 5 hours of video from Better Dev.