w3schools - coding tutorials on pretty much anything you can think of; super useful for webdev (but there’s tons of other tutorials - c, react, python, etc.)
icolorpalette - good for choosing similar colors and shades of colors.
neocities - free web hosting, think like old-school geocities but sns-ified.
compute cuter - a guide to cute-ifying your computer (has text editor themes, keyboard recommendations, keycap recs, cables, and monospace fonts)
keeb.io - the place where i got my iris rev4 keyboard, they sell kits and premade custom keyboards.