How many different forks are there?

I mean, I’ve seen a lot of threads and I noticed that there are at least 3 forks… I know the reasons for the forks, but why not join forces to create just one?

Constantly updated? 2 I believe.
In total? Possibly hundreds.

wow what a quick answer, but 2 are already too many, for example if someone makes a game he could invite the developers to continue with the development through a fork, but if there are 2 they are a problem