leafiette

(source)

Unsplash -  photography, illustration, and art

Pixabay - same as unsplash

Pexels - stock photos and videos

Stockvault.net - stock photos

freepngimg - icons, pictures and clipart

Veceezy - vectors and clipart

Kissclipart and kissPNG - more vectors and clipart (often transparent!)

Getdrawings - simplistic images and drawing tutorials

Gumroad - photoshop brushes (and more)

Canva - needs login but has lots of templates

Library of Congress - historical posters and photos

NASA - you guessed it

Creative Commons - all kinds of stuff, homie

Even Adobe has some free images

There are so many ways to make moodboards, bookcovers, and icons without infringing copyright! As artists, authors, and other creatives, we need to be especially careful not to use someone else’s work and pass it off as our own. 

http://velvetyne.fr/

http://collletttivo.it/

http://www.glyphworld.online/

https://fontsinuse.com/