Bypass paywalls
https://12ft.io/

Books for free
https://libgen.li/

UbuWeb
https://ubu.com/
Shadow library of freely downloadable avant-garde artifacts

British Library Sounds
https://sounds.bl.uk/

NASA Image Library
https://images.nasa.gov/

Internet Archive
https://archive.org/

Natural History Museum specimen catalogue
https://data.nhm.ac.uk/

V&A Collection
https://www.vam.ac.uk/collections

The Met Art Collection
https://www.metmuseum.org/art/collection

Soulseek
http://www.slsknet.org/news/node/680
File sharing network

Louvre Collections
https://collections.louvre.fr/en/

Museum of Witchcraft and Magic Collections
https://museumofwitchcraftandmagic.co.uk/search/

Mirror.xyz
https://mirror.xyz/

Nostion.so
https://www.notion.so/

Figma
https://www.figma.com/

Padlet
https://padlet.com/?ref=logo

OBS
https://obsproject.com/

Books for free
https://z-lib.org/