Recursos libres de derechos

De todo:

https://allthefreestock.com/

Multimedia:

https://www.pond5.com/es/free

https://archive.org/

Imagenes:

https://pixabay.com/es/

https://unsplash.com/

https://www.pexels.com/

https://morguefile.com/photos/morguefile/1/most

https://burst.shopify.com/

https://picryl.com/

http://alana.io/

https://magdeleine.co/license/cc0/

http://www.picdrome.com/

https://jaymantri.com/archive

https://cc0.photo/

https://www.cmykbrand.com/collections/free-stock-photos

http://realisticshots.com/

http://snapwiresnaps.tumblr.com/

https://www.spacex.com/media

http://www.picklejar.in/

Tematica espacial:

https://www.nasa.gov/multimedia/guidelines/index.html 

Música:

https://imslp.org/

Videos:

https://www.lifeofvids.com/

Libros:

https://openlibra.com/es/

https://www.gutenberg.org/

Fuentes:

https://www.1001fonts.com/

https://fontlibrary.org/en