Coinmarketcap now has a display for DeFi Tokens by Market Capitalization.
(
https://coinmarketcap.com/defi/)
It's just how they define tokens to be DeFi though, And do you think it's a complete list or something is missing? I think this is great though, specially for those who are not familiar with this new hype is crypto market, so good job CZ (although sometimes I think he is becoming too powerful!).
To get enlisted in coinmarketcap.com there loads of criterias that needs to be satisfied before they get to consider before you scale through, whether it be an exchanger or a project. It is therefore not correct to say that coinmarketcap.com has the complete list of all the projects and exchangers currently running. However, they may have a good number on a percentage scale but then, there still exists projects that are yet to meet up with their conditions and get enlisted