Curated list of ActivityPub-based Projects!

ActivityPub is W3C standard, decentralized social networking protocol.

Note: This list is outdated. Please see delightful fediverse apps for latest information.

• Specifications
• Services
• Implementations
• Libraries
• Bridges
• Community and Advocacy Groups

Information for developers and implementers.

• ActivityPub Website - The official website of ActivityPub protocol.
• W3C ActivityPub Standard - The standard document of ActivityPub.
• ForgeFed - Federation protocol for interoperable project management and source code hosting services (aka: forges).

Services supporting ActivityPub federation.

• Dokieli - A clientside editor for decentralised article publishing, annotations and social interactions.
• Funkwhale - A modern, self-hosted, free and open-source music server.
• Hubzilla - Macroblogging social network supports Zot, OStatus, diaspora, ActivityPub.
• Mastodon - Microblogging service based on ActivityPub and OStatus protocol.
• Misskey - Microblogging service based on ActivityPub.
• PeerTube - Video streaming platform with ActivityPub and WebTorrent.
• BookWyrm - A social network for tracking your reading and talking about books.
• PixelFed - Federated Image Sharing.
• Pleroma - Lightweight microblogging service based on ActivityPub and OStatus protocol.
• Plume - Federated blogging engine with ActivityPub.
• Prismo - Federated link aggregation powered by ActivityPub.
• Rustodon - A Mastodon-compatible, ActivityPub-speaking server in Rust.
• anancus - Self-hosted and federated social link aggregation.
• anfora - Self-hosted photo gallery social network.
• distbin - Distributed Pastebin, support ActivityPub and Micropub.
• microblog.pub - A self-hosted, single-user, ActivityPub powered microblog.
• write.as - A distraction-free writing space with ActivityPub support.
• Nextcloud Social - Federated social network application on Nextcloud.
• Pterotype - A WordPress plugin bringing your blog to the Fediverse.
• ActivityPub for WordPress - An ActivityPub plugin for WordPress.
• ActivityPub for Drupal - An ActivityPub module for the Drupal open-source digital experience platform.
• Mobilizon - A federated organization and mobilization platform.
• reel2bits - A Federated audio and podcasts sharing platform.
• Socialhome - A federated personal profile with social networking functionality.
• Lemmy - Building a federated alternative to reddit in rust.
• lotide - Federated forum / link aggregator using ActivityPub.
• castling.club - Chess over ActivityPub.
• GoToSocial - A ActivityPub social network server, written in Golang.
• Gancio - A federating event server focusing on content.
• Castopod - Specialiced for podcasts.

Simple example of implementing ActivityPub.

• ActivityPub Example - An example of ActivityPub server implementation written in Python.
• dsblank/activitypub - Prototyping a Python ActivityPub distributed server in Tornado.
• pylodon - Flask-based ActivityPub server implementation.
• dariusk/express-activitypub - A very simple reference implementation of an ActivityPub server using Express.js.
• CommonsPub - A generic federated server, written in Elixir.

A little help for implementing ActivityPub.

• activity - ActivityPub library for Golang.
• activitypub-php - A library to turn any PHP project into a full ActivityPub implementation.

Connecting the ActivityPub federation with another federation.

• Bridgy Fed - A bridge between IndieWeb and ActivityPub, OStatus.
• GNU social ActivityPub Plugin - Plugin for GNU social to add ActivityPub support.
• Osada - A bridge between Zot protocol and ActivityPub, OStatus, Diaspora etc.
• RSS to ActivityPub - An RSS to ActivityPub converter.

• SocialHub - Forum for ActivityPub-related projects.
• Federated Networks Association - Non-profit organization for the advocacy of website federation, and forum for related projects.
• fediverse.party - A quick look into Fediverse networks.
• We Distibute - a publication dedicated to Free Software, decentralized communication technologies, and sustainability.