Takahē is an ActivityPub server designed for efficient use on small- to medium-size installations, and which allows you to host multiple domains on the same infrastructure. It’s currently in an beta state, meaning most things work and it can talk to most of the Fediverse, but there’s still some polish and features left to add. The flagship instance can be found at takahe.social, and if you’re interested, you can also learn more in our documentation, browse the code on our GitHub repository, come and chat to us on Discord, or read some of Andrew’s blogs about building it.
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
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.
Developer Documentation for ActivityPub & Fediverse | SocialDocs
The comprehensive developer resource for building with ActivityPub, Mastodon, and the Fediverse. Guides, specs, API reference, and tools.
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...
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
neodb-social/neodb
🧩 a self-hosted server tracking what you read/watch/listen/play, powering a global distributed community federating via ActivityPub and ATProto.
Tophhie Social (@tophhie.social)
Our corner of the fediverse, powered by ATProtocol. Hosted by @tophhie.cloud, built for community, and fully ready to federate responsibly 🚀 Support our efforts... aka.tophhie.cloud/tsdonate. For help, go to support.tophhie.cloud.
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...
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...
Wijiti / blackhole / messenger · GitLab
A peer-to-peer, decentralized, general-purpose messaging application. Runs in the web browser. All messages are encrypted on the peer and the application can be run entirely client-side.
ActivityPub Plugin — WordPress.com
Enter the fediverse with ActivityPub, broadcasting your blog to a wider audience! Attract followers, deliver updates, and receive comments from a diverse user base of ActivityPub-compliant platforms.
Event Bridge for ActivityPub Plugin — WordPress.com
Make your events more discoverable, expand your reach effortlessly while being independent of other (commercial) platforms, and be a part of the growing decentralized web (the Fediverse). With the Event Bridge for ActivityPub Plugin for WordPress, your events can be automatically followed, aggregated and displayed across decentralized platforms like Mastodon or Gancio, without any extra work. Forget the hassle of managing multiple social media accounts just to keep your audience informed.
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.netMany people are talking about decentralized social media protocols like #ActivityPub and #ATProto and all the amazing things one can do with them. But do you actually know how they work? We thought we'd do something about this. Come to #FediForum next week if you are curious and like to find […]
Original post on mastodon.social
mastodon.socialATProto, Activitypub and FOSS applications
Two protocols, and an acronym. Directories, servers, services and tools that support one or more of these namesakes' or these namestakes' ideals [decentralized, federated etc]. Plus a few wikis for further reading.
Fediverse, ActivityPub and more
I need to organize all the cool links, tools, tutorials, everything I have about the Fediverse
A quick look at every link that's been added thus far.
Session | Send Messages, Not Metadata. | Private Messenger
NextGraph - Decentralized, encrypted and local-first platform and framework, towards the better internet we all deserve!
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