
sketchpad is exactly what it sounds like
desmos is a nifty graphing calculator but nowadays I use the TI-Nspire CAS program
that sprite reference is just a template for characters i found
ok I have no clue what's up with the two "Loop Video" things, it's JS that opens a looped version on a YT video
iconmonstr is a really nifty site with lots of B&W vector icons
"Check Address" uses location data to tell me my address and ZIP code because somehow I forget that
ShapeCatcher takes a drawing and tells you Unicode characters that look similar
Wofl is a textboard my friend made
if any of those sound interesting to you I can post links