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
Good luck finding Rust devs interested in link aggregators. That fork would probably fall behind, and people would switch back to Lemmy as they keep delivering features.
Mbin and Piefed use more popular languages and haven’t caught up yet