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JSON Schema definition of the ActivityStreams and ActivityPub specifications.

Bulk find and follow to make it easy to migrate from Twitter to Mastodon.

A very simple reference implementation of an ActivityPub server using Express.js.

Twitter to Mastodon account mapping service to aid migration away from Twitter without losing all your followed friends

NodeJS Mastodon client library with an eye to making bot development fun & easy.

A library for creating, parsing, and verifying HTTP signature headers, as per the Signing HTTP Messages draft 80 specification.

Find fediverse addresses in the profiles of your Twitter followings

In this guide you will setup a SemApps-powered ActivityPub server, create an actor, make this actor communicate with another Mastodon actor.