Indie game storeFree gamesFun gamesHorror games
Game developmentAssetsComics

a ton of usefuls plash art and textures, some of it just requires attribution

A russian fonts resource that I personally like, can be used for english as well.

Another fonts site, now in english

Public domain art? just google any engravings of 19 century or earlier and remove a watermark if there is one, they are public domain anyway. Or find something on with attribution

Nice, thanks for  suggesting these! Would you mind if I put those up int the Jam page and credit you as the referrer?

Do whatever, I won't mind even if you don't mention me

I want to though. Can I?