- The fediverse works a little like email. You know how you can have an account with Google's Gmail service and still send messages to your uncle's Compuserve account, your work uses Microsoft's Outlook service, and lots of businesses have their own domains? But they all talk the same protocol so these independent services can all interact? The fediverse does the same thing. The protocol is called ActivityPub, and it means that all fediverse systems can communicate to a point. You'll sometimes see Mastodon users interacting with Lemmy. Lemmy is a Reddit clone UI wise. We call subreddits "communities". The different instances are like those different email services, it's why you, with an account on thelemmy.club, created a post on asklemmy@lemmy.world where I, a user on sh.itjust.works, saw it.
- The environment here is yin to Reddit's yang. On Reddit, Hitler did nothing wrong, on Lemmy, Mao did nothing wrong.
- Same as Reddit, you can say whatever the mods agree with.
- Don't call communities "subreddits." Don't mention Nicole.
this post was submitted on 18 Aug 2026
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