jointhefediverse.net seems to be a commonly linked resource for directing people to join the Fediverse.
Curiously, it does not list Lemmy under the list of Reddit alternatives. Their GitHub README explains why.
Previous relevant discussion: https://lemmy.ml/post/78808
The main argument I see against Lemmy devs is that they’re “tankies”, which is most certainly political. And I agree. Except that there’s nothing in the software itself that is political. Only the devs, and many of the .ml communities and users.