@lolbat I've been looking at #BlackSwordHack myself. It's a hack of #TheBlackHack which itself is a hack of 5e. Both are good options for similar, more streamlined rules with heroic player characters.

If heroic PCs aren't what you'relooking for, I like Mark of the Odd games (like #IntoTheOdd ) the most similar version to 5e is #IntoTheDungeon:Revived