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
Can you elaborate on what you mean?
Reddit was literally co-founded by Aaron Swartz (RIP): https://en.wikipedia.org/wiki/Aaron_Swartz