NFT-Inator - NFT-Inator is a free toolkit to design, prototype and generate NFT collections.
Nuftu - Create Ethereum NFTs in minutes - No Ether required
Glitch - Glitch is the friendly community where everyone builds the web. Simple, powerful interface for creating web apps.
Nifty Pixels - Nifty Pixels is a platform that lets you draw, mint, and sell 32x32 pixel art all in the same place.
Degen Brackets - Create and join custom on-chain March Madness pools.
OpenSea - Ebay for cryptogoods. Buy and sell items on the blockchain.