TheOdinProject is an open source curriculum from the open source loving devs and it's community.
Open source curriculum which I covered here is Full Stack JavaScript with comprehensive Basics and Advanced concepts in HTML, CSS, DOM and JavaScript.
Whole repo consist: submodules of assignments and projects.
Covered so far in Foundations:
1- Git as version control system testing
2- HTML and CSS
3- DOM Manipulation
4- JavaScript - functions, stings, arrays, callbacks, events etc