To use a simple analogy, Lemmy is like a federated reddit while Mastodon is like a federated twitter. They are both built ontop of ActivityPub, which is the me

To use a simple analogy, Lemmy is like a federated reddit while Mastodon is like a federated twitter. They are both built ontop of ActivityPub, which is the messaging protocol that enables these technologies. I'm still reading and understanding the topics myself as I continue to deeper my understanding of these platforms. It helps to also poke around and use them a little bit. This helps me gain an understanding of how they work.