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Wildebeest is an open-source, easy-to-deploy ActivityPub and Mastodon-compatible server built entirely on top of Cloudflare's Supercloud.

A self-hosted linguistic corpora exchange platform that aims to be a simple gateway to the Fediverse for scientific interaction

Creates a publication / subscription infrastructure for Open Educational Resources. It allows to follow specific subjects and to be notified when new content about that subject is published.

A crowd-sourced wiki maintained by SocialHub community with a ton of information andlinks.

This specification describes SciFed, a standard for federation of scientific activities and content using ActivityPub.

This document is for programmers who take one look at activitypub.rocks, click on through to the documentation, and can't make heads or tails of it.

Source code for the tags.pub ActivityPub server. I'm not sure but I think this is an early attempt at making an AP groups application based on hashtags.

A simple AP proxy that's an experiment in consolidating activities from multiple services.

ActivityPub HTTP signatures using Botan library.