Heyo! Given recent game development events (the Unity kerfuffle), I finished a project of mine that was long due: https://enginesdatabase.com.

It's a gameuidatabase.com, but for Game Engines! I'm currently listing around 150 Game Engines, and you can check on the filters which ones fit your needs.

I manage to finish the MVP before Ludum Dare, so hopefully it can be useful to other teams looking for a new tool to try!