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
Block .ml
Block me
Who cares how others use Lemmy? I don’t. Feel free to make another feud post this week. Stick it to us champ!