https://www.dayroselane.com/hydrants
Buncha fire hydrants
https://www.mobilephonemuseum.com/catalogue
Digital museum of mobile phones
http://bada55.io/
Funny HTML color codes
https://ynoproject.net/
Play Yume Nikki and other fangames online, in singleplayer or multiplayer!
https://status.cafe/
Cool microblogging website you can update with the click of a button! Also features widgets to display your status with html
aidn.jp
Vocaloid producer (and composer of the Nyan Cat song) Daniwell-P's website! Full of fun minigames and tools to goof around with.
https://filesfound.net/
Blog that documents obscure old computer programs, good place to find retro image assets and weird little games!
https://www.adorkastock.com/sketch/
Reference images for gestural drawing
https://www.fatphotoref.com/
Reference images of fat bodies
https://x6ud.github.io/#/
Adjustable 3d reference of animal and human skulls
http://referenceangle.com/
Reference images of human faces from any angle
https://www.posemaniacs.com/poses
Anatomical 3d model poser, with tons of preset poses