Filta is the face filter NFT marketplace being built by veterans from Pixar/Oculus/Facebook.
Protocol Labs is an open-source research, development, and deployment laboratory. It's the company behind IPFS, Filecoin, libp2p, and many more.
Hiro System builds developer tools for Bitcoin L1 and the Stacks L2 (layer-2).
Mudrex is on a mission to bring risk optimised high yield investments to everyone.