Documents ​

• MDN Web Docs
• W3Schools
• Tutorials Point
• web.dev (Google)
• GeeksforGeeks - Web Development
• freeCodeCamp
• SoloLearn
• Codecademy

CSS ​

• CSS-Tricks
• cssreference.io

SASS/SCSS ​

• SASS-SCSS

Bootstrap ​

• Bootstrap

Tailwind CSS ​

• Tailwind CSS

JavaScript ​

• JavaScript.Info
• Learn JavaScript
• FreeCodeCamp - (JavaScript Algorithms and Data Structures)

React ​

• React
• React Legacy

• React Tutorial

Vue ​

• Vue.js
• Vue.js API
• Vue.js Migration Guide - (From v2 to v3)
• Vue.js v2

• VueFire

• LearnVue

Video Courses: ​

• Vue Mastery
• Vue School

TypeScript ​

• TypeScript

• Microsoft TypeScript Handbook