this post was submitted on 09 May 2026
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Fediverse

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A community to talk about the Fediverse and all it's related services using ActivityPub (Mastodon, Lemmy, Mbin, etc).

If you wanted to get help with moderating your own community then head over to !moderators@lemmy.world!

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Learn more at these websites: Join The Fediverse Wiki, Fediverse.info, Wikipedia Page, The Federation Info (Stats), FediDB (Stats), Sub Rehab (Reddit Migration)

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It became the only reliable source of information I had. People posted links with a minimal amount of commentary, picking and choosing the best content from other social media networks. They’re not doing it to “build a brand” because that’s not a thing in the Fediverse. It’s too disjointed to be a place to build a newsletter subscription base.

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[–] ICastFist@programming.dev 8 points 6 hours ago

What exactly is the fediverse?

Servers that can federate over ActivityPub protocol. Any server that uses ActivityPub can be considered part of the fediverse.

What’s included in it?

Clones of corporate owned sites: twitter (mastodon, misskey), tumblr (wafrn), reddit (lemmy, piefed), facebook (friendica), plus others

I’ve hear much about fediverse and Lemmy, but is Lemmy part of it or not?

Yes, it is

Are other systems like Blue sky a part of it or not?

Bluesky isn't, since they use a different protocol, but it's possible to bridge and interact with it. Wafrn does it.

Do I transparently see posts from all those different systems?

This is the biggest "it depends" situation. For instance, by default, lemmy ignores most posts from mastodon and similars. However, mastodon users can post to lemmy communities if they use the proper @, but they cannot specify a title - their post body will also double as the title. They can also reply to comments, they're easy to spot because they always have an @user when replying.

Some server types integrate the different things better than others. Friendica and Wafrn seem to be the best for "variety integration".