the original producer of the nyan cat song, daniwellp, has a website with a bunch of neat little games and browser toys to play around with. I remember the little "wonder of wonder" one where you could draw a character on a 2d plane and it would be animated dancing being a bit of a trend in some circles
aidn.jp (photosensitivity warning ahead) (https://aidn.jp/contents/)
I haven't checked all of these out (they don't have titles on the cards, so its hard to tell which is which), so definitely tell me your favorite!
i used nobasu to stretch out a painting i did really long for funsies
bring back browser toy sites