Fictiv - A design firm with a lot of teardown videos/analysis
Nguyen Duc Thang - He is a retired engineer that designs mechanisms in Autodesk Inventor for fun. As of this date he has 3000+ animations on YouTube.
Patrick McKenzie - Engineering and business
Repl.it provides online IDEs that are great for quick sketches. These are direct links to the IDE.
CS50 Harvard: Mobile Development with React
- Google Colabs - Cloud based python notebooks with GPU backends
- Google Seedbank - Machine learning examples
- Google Codelabs (Cloud)