







I'd say the best deep-dive comparing ActivityPub and atproto is this video by @thisismissem.social , who has gobs of experience with both: youtube.com/watch?v=BZgNMiw3lTY
ActivityPub, AT Protocol, and more!
www.youtube.comJul 26, 2026 at 3:48 PM
ActivityPub Over ATProto
Thought experiment: how hard would it be to implement ActivityPub over ATProto? The answer might surprise you!

There are no instances in ATProto | Hacker News
I feel like you've (perhaps purposefully?) misinterpreted "instances" just to plug ATProto specifically at the expense of ActivityPub (and RSS, a bit). I think you lower yourself by doing this:
ATProto Isn't What You Think
This post takes a look at ATProto from a different angle, and explores the value of some possibly less-noticed pieces of it.

ATProtocol Dev
Interviews, news, and other updates about projects powered by ATProtocol
ActivityPub, AT Protocol, and more!
Talking about this article and how ActivityPub and AT Protocol are maybe not as different as people might think. We covered some slides to an unrecorded talk of mine, which explores a lot of things...
The ATProto community built a ton of great features and products over the past year. For our next trick, let's mature them into products and businesses.
Mosh Lee
(2/n) A feature solves one problem well — even delightfully well. But features get copied easily or absorbed into larger products. They have no distribution or adoption model. If your whole thing can become a pane in someone else's app, it's a feature.
Inspired by @pds.dad 's AMA about #atproto over on #Mastodon ... AMA about #ActivityPub and the #Fediverse! No question is too basic! (If questions get beyond my knowledge I'll at least try to point you in the right direction 😃)
Some initial atproto-related learnings from #Rebuild Helsinki 🇫🇮 * most people building apps here have no idea what atproto is, which is a shame since especially when building social apps, atproto is a great starting point for many reasons

The Bluesky ecosystem has the juice (ATProto for normies) - Nate Spilman

nothin' but blue skies from now on
What It Means for Universities to Run Their Own PDS: The Potential of DID as Academic Infrastructure - Nightflight
From Attention to Intention - The Open Garden

Practical Decentralization

atmoBB Forums

atmeet — Blueskyで、集まろう。

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RRGI · Discourse Graph — lens switch
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Observ.ing - Observe nature. Own your data.
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