You can go to coinmarketcap, add filters and sort out whatever you want:



And you end up with list off clost to 200 smart contract platforms.

Starting from ETH, ADA, AVAX, lINK, ALGO, xlm, VET all the way down to micro cap coins worth less than 1 mln $. If you want projects that yet not launched its chain just click on coin and check on which explorers its available. If its ETH only means that project has only etH placeholder while working on its own chain.