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
Is there some feature comparison of lemmy vs mbin vs other reddit-like platforms? There was some major reason why I didn’t like kbin, but I forgot why.