Robuta

snac2 - A simple, minimalistic ActivityPub instance written in portable C

Bytedance yesterday launched a social app called Tiktok Notes in Canada and Australia. I tried it out, since I live in Canada. I was able to log in using my...

Explore the open social web through the lens of ActivityPub and the fediverse.

Jul 13, 2018 - With ActivityPub protocol being accepted a W3C standard, I don’t see a reason why a self-hosted blogging platform wouldn’t implement it. Implementing...

Connect your site to the Open Social Web and let millions of users follow, share, and interact with your content from Mastodon, Pixelfed, and more.

gotosocial - Fast, fun, small ActivityPub server. ON HOLIDAY UNTIL JAN 5TH, ISSUES ARE DISABLED UNTIL THEN!

Sep 7, 2025 - 什么时候开始聊起 Mastodon，已经不太记得，我曾经提过一次，群里如果想玩的人多，一起部署一个实例，后面不 […]

Understanding ActivityPub - Part 1: Protocol Fundamentals

One of the first things people ask you when you say you’re writing a book for O’Reilly Media is: “What animal is going to be on the...

Disconnecting this blog from ActivityPub. tldr; comment moderation is just too much hassle.

:fedify: [Fedify](https://fedify.dev/) is a TypeScript library for building federated server apps powered by [ActivityPub](https://www.w3.org/TR/activitypub/)...

What is ActivityPub and why?

This guide is a collaboratively-edited introduction to ActivityPub and provides links to sources of more information. What is ActivityPub? ActivityPub is a...

Thoughts on Meta adding ActivityPub to Threads

May 31, 2024 - Tumblr will add support for ActivityPub, the open, decentralized social networking protocol that today is powering social networking software like Twitter...

Implementing ActivityPub in Pleroma

I'm alive, and blogging on my website (vkc.sh), and it's now allegedly part of the Fediverse.

If you were to design an open social networking protocol, what would that look like? Which metaphors and comparisons would you use to get a general idea of how...

Understanding ActivityPub - Part 3: The State of Mastodon

Ghost is federating over ActivityPub to become part of the world’s largest publishing network

An overview of ActivityPub: How did we get to this point? Where are we now? Where do we need to go? We'll paint a chart from past to a hopeful future with...

Understanding ActivityPub - Part 2: Lemmy

I built Bugle, an ActivityPub server with Laravel and PHP. These are my notes on how it all works to the best of my understanding

Thought experiment: how hard would it be to implement ActivityPub over ATProto? The answer might surprise you!

ActivityPub-federated video streaming platform using P2P directly in your web browser - Chocobozzz/PeerTube

Oct 3, 2023 - Check in for the latest WordPress news from the past month, including some #wpdrama, Patchstack, ActivityPub, and more.

Apr 22, 2024 - Newsletter platform Ghost is the latest service to pledge support for ActivityPub, the open source protocol powering the fediverse.

Ghost is federating over ActivityPub to become part of the world’s largest publishing network

Dec 16, 2025

Random thoughts, articles and projects by a chronic overengineer.

ActivityPub 协议是一个基于 [ActivityStreams] 2.0 数据格式的去中心化社交网络协议。它提供一套客户端到服务端的 API，用于创建、更新和删除内容，以及一套服务端间的联合 API，用于投递通知和 内容。