Here is a list of all the cc0 NFT projects I know of at this moment. WIP — please let me know on twitter (@skomra) if I need to add something to this list.
https://okpc.app/about
https://opensea.io/collection/anonymice
https://opensea.io/collection/blitmap
https://opensea.io/collection/chroma-cats
https://opensea.io/collection/cryptoadz-by-gremplin
https://opensea.io/collection/cryptodickbutts-s3
https://opensea.io/collection/cryptoteddies
https://opensea.io/collection/cryptovanz
https://opensea.io/collection/degendary
https://opensea.io/collection/derage
https://opensea.io/collection/eggsprsns
https://opensea.io/collection/funguysnft
https://opensea.io/collection/gh0stlygh0sts
https://opensea.io/collection/howlerz
https://opensea.io/collection/kaizengenesis
https://opensea.io/collection/mfers
https://opensea.io/collection/nftgoblins
https://opensea.io/collection/nounpunks-eth
https://opensea.io/collection/nouns
https://opensea.io/collection/pfpx
https://opensea.io/collection/pixellucinations
https://opensea.io/collection/rekt-cats
https://opensea.io/collection/stellabelle
https://opensea.io/collection/strokes-by-gmi-sh
https://opensea.io/collection/superblox3d
https://opensea.io/collection/supernovas-art
https://opensea.io/collection/theboneys
https://opensea.io/collection/tiny-dinos-eth
https://opensea.io/collection/tubby-cats
https://opensea.io/collection/we-are-all-going-to-die
https://opensea.io/collection/weinerfish
https://opensea.io/collection/with-the-light
https://shields.build/docs
Tez Projects:
https://objkt.com/collection/KT19UoEDjY9DpWi2TTdmKiptRcf4L1rzW3JW
Selected projects by David Horvath and Sun-Min Kim are cc0:
https://opensea.io/collection/uma-no-copyright
https://opensea.io/collection/crypto-crypto-toys
https://opensea.io/collection/noupa-no-copyright
https://opensea.io/collection/seoulpets
OK GUY and Energy Vampire are cc0: (https://opensea.io/assets/0x495f947276749ce646f68ac8c248420045cb7b5e/55221942155626538611159347326890196430990382754642914670892230742706892046337)
Selected works by XCOPY are public domain:
https://opensea.io/collection/grifters-by-xcopy
https://superrare.com/artwork/right-click-and-save-as-guy-1154
ROBNESS is a big cc0 proponent, though I wasn’t able to find him stating “ALL MY WORK IS CC0”:
https://twitter.com/robnessofficial/status/1471873622268514304
Pistila’s works are cc0 :
https://opensea.io/Pistila?tab=created_collections
embii’s works are cc0:
https://opensea.io/embii4u?tab=created
https://objkt.com/collection/KT1NHRACk3RaHwNMjrxgMd67VJmYbwf2afaK
OSF’s works are cc0:
https://www.osf.art/
All my (skomra)’s works are cc0:
https://opensea.io/skomra?tab=created_collections
— — — — — — —Derivative projects explicitly licensed cc0 — —— — — — -
https://opensea.io/collection/blouns
https://opensea.io/collection/borednoungang
https://opensea.io/collection/croakz-v2-1
https://opensea.io/collection/cryptoadpunks
https://opensea.io/collection/cryptoflyz
https://opensea.io/collection/crypturtlez
https://opensea.io/collection/driptoadz
https://opensea.io/collection/gnars
https://opensea.io/collection/infekted-mfers
https://opensea.io/collection/larva-lads
https://opensea.io/collection/lost-nouns
https://opensea.io/collection/mistletoadz
https://opensea.io/collection/noadz
https://opensea.io/collection/nounals
https://opensea.io/collection/noun-cats-invisibles
https://opensea.io/collection/noundles
https://opensea.io/collection/stoned-nouns
https://opensea.io/collection/swampcatz
https://opensea.io/collection/theboanez
https://opensea.io/collection/the-goners
https://opensea.io/collection/touns
https://opensea.io/collection/viral-mfers
https://opensea.io/collection/world-of-noun
— — — — — — — -Upcoming Projects — — — — — — — — — — — — — —
https://doads.io/
https://twitter.com/BomberzNFT
https://twitter.com/CrypToadettez
https://twitter.com/DeadFreaksNFT
https://twitter.com/dourbirds
https://twitter.com/fruglys
— — — — — — — —CopyLeft (not cc0) —-— — —— — —
Works by ImaginarySina are CopyLeft (eg https://opensea.io/collection/imaginarygang)
https://opensea.io/collection/milady
— — — — — — —Non-NFT Projects — — — — — — — — — — — — — — —
— — — Related Lists To this one (not necessarily cc0) — — — — — — —
https://toadheadz.com/pages/roadmap-v1-0-1
https://docs.google.com/spreadsheets/d/1CKnOmtS0fCTFu5Tz004YZbnpOCy0b-xNoNtA5ZT6O24/edit
— — — —See Also — — — — —
https://zeneca33.substack.com/p/letter-26-on-cc0-intellectual-property?s=r (March 2022)
https://metaversal.banklesshq.com/p/nfts-and-cc0?s=r (November 2021)
https://skomra.medium.com/collected-no-copyright-spotlight-tweets-6320f4a65fd4 (June 2021)