Fediverse / Social Web Platforms

Here’s a list of ActivityPub services, along with a description of what each service does:

Social Media - Macroblogging

Social media similar to Facebook, allowing longer posts, rich text, and threaded conversations.

• Friendica - Friendica is a free and open-source software distributed social network.
• Hubzilla - Hubzilla is a powerful platform for creating interconnected websites featuring a decentralized identity, communications, and permissions framework built using common webserver technology.
• GoToSocial - GoToSocial is an ActivityPub social network server, written in Golang.
• (streams) - Consent based public domain federated communications server. Provides a feature rich ActivityPub and Nomad communication node.

Social Media - Microblogging

Social media similar to Twitter, designed for shorter posts, with a minimalist interface. 

• Akkoma - Akkoma is a faster-paced fork, it has a varied and potentially experimental feature set tailored specifically to the corner of the fediverse inhabited by the project creator and contributors.
• Bonfire - A federated social network for individuals and communities to design, operate and control their own digital lives.
• Cherrypick - Fork of Misskey.
• Ecko - Ecko is a fork of Mastodon with extra features requested by the community.
• Fedibird - Fedibird is a fork of Mastodon arranged with features maintained by Takeshi Umeda (noellabo).
• Foundkey - Forked from Misskey, FoundKey improves on maintainability and behaviour, while also bringing in useful features.
• Holo - Hollo is a federated single-user microblogging software powered by Fedify.
• Hometown - A supported fork of Mastodon that provides local posting and a wider range of content types.
• Glitchcafe - Mastodon fork for Plural Café.
• GNU Social - The free/libre software social networking platform.
• Iceshrimp - YAMF (Yet another Misskey fork) bringing you no-nonsense fixes, features & improvements you actually want since 2023.
• Ktistec - Single user ActivityPub server.
• Kmyblue - Mastodon fork, which specializes in small communities for the inner circle.
• Mastodon - An open source decentralized social network - by the people for the people.
• Meisskey - Meisskey is a decentralized microblogging platform, a fork of Misskey.
• Microblogpub - A self-hosted, single-user, ActivityPub powered microblog.
• Misskey - Interplanetary microblogging platform.
• Mitra - Federated micro-blogging platform.
• Pleroma - Free and Open Federated Microblogging server.
• Sharkey - Sharkey is an Misskey fork following upstream changes when possible, with added features.
• Smithereen - Federated, ActivityPub-compatible social network server with friends, walls, and groups.
• Takahe - An efficient ActivityPub Server, for small installs with multiple domains.

Discussion Groups

Facebook-style Discussion Groups

• Friendica - Friendica is a free and open-source software distributed social network.
• Hubzilla - Hubzilla is a powerful platform for creating interconnected websites featuring a decentralized identity, communications, and permissions framework built using common webserver technology.
• (streams) - Consent based public domain federated communications server. Provides a feature rich ActivityPub and Nomad communication node.

Forums

Traditional forums software with topics and categories. 

• NodeBB - A better community platform for the modern web.
• Discourse - ActivityPub for Discourse (Plugin) - Discourse is a modern, open source forum software that enables thoughtful and productive online discussions.

Link Aggregators

Platforms where you can share links with others. Includes Reddit-style platforms.

• Brutalinks - Link aggregator inspired by reddit using ActivityPub federation.
• Lemmy - A link aggregator and forum for the fediverse.
• Mbin - Mbin a fork of kbin, community-focused.
• Piefed - An open source reddit-like federated forum that works well with Lemmy and others.

Blogging / Content Management System

Platforms that allow you to create webpages and blog entries. 

• Ghost - Ghost is a powerful app for professional publishers to create, share, and grow a business around their content.
• Hubzilla - A multi-functional platform featuring privacy, social media, content management, and more.
• Microdotblog - Personal blogging that makes it easy to be social.
• Plume - A federated blogging application.
• wafrn - Wafrn is a federated social media inspired by tumblr.
• WriteFreely - Minimalist, federated, self-hosted blogging platform.
• Drupal - ActivityPub for Drupal (Plugin) - Drupal is a fully composable CMS that allows you to design a digital experience to your vision.
• WordPress - ActivityPub for WordPress (Plugin) - Open source software which you can use to easily create a beautiful website, blog, or app.

Image Sharing

Allows you to share images with others, similar to Instagram.

• Pixelfed - Photo Sharing. For Everyone.

Pinboard

The interface organizes posts as pins. 

• Pinetta - A FOSS, federated, ActivityPub-enabled pinboard thingy, in the style of Pinterest.
• Socialhome - A federated social home.

Video Sharing

Platforms focused on video. 

• Loops - Loops is a short video sharing platform.
• Owncast - Owncast is a free and open source live video and web chat server for use with existing popular broadcasting software.
• Peertube - Free software to take back control of your videos.

Data Storage

Platforms that allow you to store files, documents, images, videos, and more. 

• Hubzilla - Hubzilla is a powerful platform for creating interconnected websites featuring a decentralized identity, communications, and permissions framework built using common webserver technology.
• Nextcloud - A modern, on premise content collaboration platform with real-time document editing, video chat & groupware on mobile, desktop and web.
• (streams) - Consent based public domain federated communications server. Provides a feature rich ActivityPub and Nomad communication node.

Audio

Platforms focusing on music. 

• Funkwhale - A social platform to enjoy and share music.

Wiki

Collaborative wiki.

• Hubzilla - Hubzilla is a powerful platform for creating interconnected websites featuring a decentralized identity, communications, and permissions framework built using common webserver technology.
• Xwiki - ActivityPub for xwiki (Plugin) - Wiki sofftware.

Book Reviews

• Bookwyrm - BookWyrm is a social network for tracking your reading, talking about books, writing reviews, and discovering what to read next.

Podcasts

• Castopod - Castopod is an open-source hosting platform made for podcasters who want engage and interact with their audience.

Events

• Mobilizion - Mobilizon is an open source software for event planning and group management.
• Gancio - A shared agenda for local communities.

Commerce / Classifieds

• Flohmarkt - Sell and buy 2nd hand items from other users.

3D Printing

• Manyfold - Organise and share your 3d print files.

Social Bookmarking

• Postmarks - Single-user bookmarking website designed to live on the Fediverse.

Extendable 

Supports addons, plugins, widgets, themes, and other methods of customization, which allows developers to create their own custom website or platform without needing to fork the project.

• Hubzilla - Hubzilla is a powerful platform for creating interconnected websites featuring a decentralized identity, communications, and permissions framework built using common webserver technology.
• (streams) - Consent based public domain federated communications server. Provides a feature rich ActivityPub and Nomad communication node.

Lightweight

Can run on minimal hardware.

• Snac - A simple, minimalistic ActivityPub instance written in portable C.

Bridges and Relays

• ActivityRelay (Plethora) - A generic LitePub message relay.
• Activity-Relay (YUKIMOCHI) - Yet another powerful customizable ActivityPub relay server written in Go.
• Bridgy Fed - Bridgy Fed connects your website and Bluesky to Mastodon and the fediverse.

Experimental / In Development / Pre-Release

• Forte - Consent based social networking compatible with ActivityPub and Mastodon; which have no concept of consent and online safety.
• Sublinks - A Link Aggregation Social Network in the Fediverse.

Archived / Deprecated / Unmaintained

Platforms that are no longer maintained. Since they are open source, you can borrow code from them, or fork them, or use them for inspiration.

• Zap - A fediverse server.
• Lotide - A federated forum / link aggregator using ActivityPub.
• Kbin - Kbin is an open source reddit-like content aggregator and microblogging platform for the fediverse.
• Firefish - A fun, new, open way to experience social media.

If we missed any, let us know!