https://www.w3schools.com/

https://www.freecodecamp.org/

The free Bootcamp
https://frontendmasters.com/

To help with my keyboarding skills:
https://www.keybr.com/
http://www.speedcoder.net/

https://github.com/

https://dev.to/

https://medium.com/

https://codepen.io/

Applications:
Visual Studio Code
Slack
Zoom

FullStackReact-book
FullStackReact-code