Uniswap - Decentralized exchange with nearly $3 billion liquidity. It's one of the better "Defi" plays. Version 3 is expected later in 2021 which, according to the devs that it will include layer 2 solution.
Binance Coin - Constant demand for lower fees on Binance and they burn coins every quarter so it's deflationary
Funfair - This is a long shot. It's a provably fair casino on Ethereum. They have a working product, pretty straightforward KYC process, they cover all gas fees and you always have access to your funds. They are compliant & have a few gambling licenses unlike some crypto gambling sites that require no KYC