ICYMI, I've been quietly reviving Known, renamed it to Idno (its original name), and set it up so it both posts to ActivityPub and syncs to a PDS via standard.site. Not production-ready but super fun. My test instance (with very WIP design) is at idno.werd.io.
Mar 19, 2026 at 1:11 PM
ActivityPub
The ActivityPub protocol is a decentralized social networking protocol based upon the [ActivityStreams] 2.0 data format. It provides a client to server API for creating, updating and deleting content, as well as a federated server to server API for delivering notifications and content.
ActivityPub
The ActivityPub protocol is a decentralized social networking protocol based upon the [ActivityStreams] 2.0 data format. It provides a client to server API for creating, updating and deleting content, as well as a federated server to server API for delivering notifications and content.
Deep Dive into Wafrn: How One Platform Self-Hosts Both ActivityPub and Bluesky Identities
Deep Dive into Wafrn: How One Platform Self-Hosts Both ActivityPub and Bluesky Identities 26 February 2026 ActivityPub ATproto self-hosting architecture A technical analysis of Wafrn's dual-protocol a...
FediForum Talk: How To Bullshit Your Way Through a Conversation about ActivityPub
By Evan Prodromou, Social Web Foundation and editor of the ActivityPub standard. One of the best bluffers in the field of distributed social networks gives you just enough knowledge about ActivityP...
ActivityPub
ActivityPub is a protocol and open standard for decentralized social networking. It provides a client-to-server (C2S) API for creating and modifying content, as well as a federated server-to-server (S2S) protocol for delivering notifications and content to other servers. ActivityPub is the defining standard of the Fediverse, a decentralised social network of various social interaction models, and content types, which consists of independently managed instances of software such as Mastodon, Pixelfed and PeerTube, among others.
ActivityPub Client API: A Way Forward | Steve Bate
The ActivityPub Client-to-Server (C2S) protocol was envisioned as a cornerstone of the decentralized social web, along with the Server-to-Server (S2S) protocol. Standardized by the W3C in 2018, C2S defines how user-facing applications, such as mobile apps or web clients, and bots should interact with social servers using Activity Streams 2.0 and JSON-LD. In theory, it ... Read more
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...
FEP-1042: Peer to Peer Fediverse Identities
Hey folks, we at [Distributed Press](https://distributed.press) have been working on making a bridge between peer to peer or "dweb" protocols and ActivityPub implementations over the past year and wanted to solidify our approach so that others can interoperate. Here's is an initial draft expla...
Exploring the idea of self-hosting a Bluesky PDS alongside my Indiekit instance — turning it into a dual-protocol server that federates over both ActivityPub and AT Protocol simultaneously. Inspired by Wafrn’s approach, adapted to Indiekit’s plugin architecture and Cloudron deployment. The goal: ow…
Ricardo Mendes
rmendes.netI'm certainly not against saying what I think AT Protocol has wrong. github.com/swicg/activitypub-api/issues/…
Alright @jay.bsky.team @pfrazee.com @dholms.xyz @why.bsky.team @emily.bsky.team ..restofbskyteam hear me out network of ActivityPub servers = "fediverse" so federated AT Protocol / BlueSky = "ATmosphere" ;) okay sorry for pinging you all have a nice day
Just learned about FediSky, a project by @msonnberger.com that adds an ActivityPub instance sidecar to a PDS. Think Bridgy Fed except hosted by the PDS owner or Wafrn except reversed. Still in early dev, but keeping an eye on this space 👀
Interoperability with Mastodon/ActivityPub · bluesky-social atproto · Discussion #1716
github.comJust learned about FediSky, a project by @msonnberger.com that adds an ActivityPub instance sidecar to a PDS. Think Bridgy Fed except hosted by the PDS owner or Wafrn except reversed. Still in early dev, but keeping an eye on this space 👀
Interoperability with Mastodon/ActivityPub · bluesky-social atproto · Discussion #1716
github.comMirror another platform, now in early access for Pros 📡 Connect a Substack, Ghost or any RSS feed 📝 Land new posts published or as drafts ✨ Originals stay canonical, only new posts sync Settings → Mirror content. Experimental, tell us if it breaks! 👀 Check it out → offprint.link/mirror
Oh dear lord, I knew it was bad, but didn't know it was this bad: hackers.pub/@fedify/2026/why-activitypub-… (I've mostly just contributed to activitypub projects that already existed, so didn't usually need to experience these specific pains)
Why implementing ActivityPub is hard, and why it doesn't have to be
hackers.pub
