Fedi.builders
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Aardwolf
Facebook-like social network connecting communities across the web
Written in Rust language.
Licensed under AGPL-3.0.
Akkoma
A community-driven fork of Pleroma with new features such as support for Misskey-flavored Markdown.
Written in Elixir language.
Licensed under AGPL-3.0.
Bonfire Social
Your plug & play federated social network. Tend to your digital life in community.
Written in Elixir language.
Licensed under AGPL-3.0.
Calckey
An actively developed, community-driven fork of Misskey with many quality of life improvements for users and admins alike
Written in TypeScript language.
Licensed under AGPL-3.0.
Convene
Secure, affordable, private digital spaces for work and play.
Written in Ruby language.
Licensed under PPL-3.0.
Ecko
A fork of Mastodon to optimize toward community, that is making it as easy as possible to contribute
Written in Ruby language.
Licensed under AGPL-3.0.
Epicyon
ActivityPub server implementing S2S and C2S protocols, suitable for single board computers. Includes features such as moderation tools, post expiry, content warnings, and image descriptions
Written in Python language.
Licensed under AGPL-3.0.
FoundKey
A fork of Misskey with various bugfixes and improvements.
Written in TypeScript language.
Licensed under AGPL-3.0.
Friendica
Personal network that helps to keep in contact with friends. Interface and functionality include common features of a mainstream social network
Written in PHP language.
Licensed under AGPL-3.0.
GNU social
Microblogging server with multiple plugins
Written in PHP language.
Licensed under AGPL-3.0.
Goldfish Social
Alternative for Vine / TikTok (alpha). ActivityPub will come later!
Written in PHP language.
Licensed under AGPL-3.0.
groundpolis
A microblogging service forked from Misskey
Written in TypeScript language.
Licensed under AGPL-3.0.
Glitch-soc
A friendly fork of Mastodon, with the aim of providing additional features at the risk of potentially less stable software
Written in Ruby language.
Licensed under AGPL-3.0.
GoToSocial
A headless Mastodon-compatible Fediverse server project, written in Golang.
Written in Go language.
Licensed under AGPL-3.0.
Hometown
A fork of Mastodon that provides local posting and a wider range of content types
Written in Ruby language.
Licensed under AGPL-3.0.
Honk
ActivityPub server with minimal setup and support costs
Written in Go language.
Licensed under ISC.
Kanzaki
A Mastodon-compatible, ActivityPub-speaking server in OCaml
Written in OCaml language.
Licensed under AGPL-3.0.
Kepi
A Django-based microblogging server, written in Python, which supports the Mastodon protocol.
Written in Python language.
Licensed under GPL-2.0.
Kibou
Lightweight social networking server that implements Mastodon's REST API.
Written in Rust language.
Licensed under AGPL-3.0.
Kitsune
An ActivityPub-speaking microblogging service.
Written in Clojure language.
Licensed under AGPL-3.0.
Ktistec
A single-user ActivityPub server with minimal dependencies, using SQLite,
Written in Crystal language.
Licensed under AGPL-3.0.
Kroeg
Generic ActivityPub server, with a focus on microblogging style activities
Written in Rust language.
Licensed under Unknown.
lectrn
A social network for humans that is free, decentralized, open, and easy to use.
Written in JavaScript language.
Licensed under AGPL-3.0.
mammoth
A federated social media platform implementing the ActivityPub specification for client/server and server/server communications.
Written in TypeScript language.
Licensed under AGPL-3.0.
Mastodon
Epic microblogging network with many features and multiple interface layouts to choose from
Written in Ruby language.
Licensed under AGPL-3.0.
microblog.pub
Self-hosted, single-user, ActivityPub powered microblog.
Written in Python language.
Licensed under AGPL-3.0.
MatticNote
ActivityPub compatible SNS that aims to be easy for everyone to use.
Written in Go language.
Licensed under AGPL-3.0.
microstatus
Lightweight Mastodon and GNU Social-compatible server implementation
Written in Rust language.
Licensed under ISC.
Misskey
Interplanetary microblogging platform. Provides many additional features like calendar, emoji reactions, polls, games, and many other widgets
Written in JavaScript language.
Licensed under AGPL-3.0.
Personal Reader for Drupal
A personal reader on your website which is installable as a PWA on your phone or tablet.
Written in PHP language.
Licensed under GPL-2.0.
Pinetta
A decentralized, federated social pinboard in the style of Pinterest. In development.
Written in Python language.
Licensed under AGPL-3.0.
pub
A tiny ActivityPub host intended for a single actor, that implements Mastodon API for use with various clients.
Written in Go language.
Licensed under BSD3-Clause.
pubgate
Lightweight ActivityPub CMS. Implements both client-to-server (C2S) and server-to-server(S2S) APIs. Compatible with Mastodon, Pixelfed, Pleroma and microblog.pub.
Written in Python language.
Licensed under BSD-3-clause.
Scuttlebutt
currently working on a bridge between SSB and AP networks.
Written in unknown language.
Licensed under .
Seppo
A server-side, single-user, Fediverse-integrated microblog engine. Creating static assets published by webserver. (Mirror )
Written in OCaml language.
Licensed under GPL-3.0.
Shuttlecraft
A single user ActivityPub server to interact with the Fediverse and other indie web protocols like RSS.
Written in Javascript language.
Licensed under MIT.
Smalltown
A fork of Mastodon designed for civic communities looking to run their own social networks.
Written in Ruby language.
Licensed under AGPL-3.0.
Smithereen
VKontakte-like social network, with friends, walls, photo albums and groups
Written in Java language.
Licensed under Unlicense.
snac
A simple, minimalistic ActivityPub instance with minimal dependencies, multiuser, no database nor cookies needed, totally JavaScript-free
Written in C language.
Licensed under MIT.
Socialhome
Personal webpage with social networking functionality
Written in Python language.
Licensed under AGPL-3.0.
Spritely
Research space for a next-gen distributed social network written in Racket and consisting of multiple projects, by AP specification co-author Christine Lemmer Webber.
Written in Racket language.
Licensed under Apache-2.0.
Streams
Public domain federated communications server. Provides a feature rich ActivityPub and Nomad communication node.
Written in PHP language.
Licensed under Public domain and others.
Takahē
An experimental Fediverse server for microblogging
Written in Python language.
Licensed under BSD-3-clause.
Tavern
A minimalistic Activity Pub server. Think Mastodon, but smaller and with fewer features
Written in Go language.
Licensed under MIT.
Vagabond
A federated social network built with security and privacy in mind.
Written in Python language.
Licensed under GPL-3.0.
Dinolog
Utterly simplified and lightweight blogging protocol. (AP support planned. See )
Written in Go language.
Licensed under Unknown.
Hubzilla
CMS with a range of groupware tools available as plug-ins
Written in PHP language.
Licensed under MIT.
Known
A collaborative social publishing engine (Working on AP support, see ).
Written in PHP language.
Licensed under Apache-2.0.
Little Library
A digital give-a-book, take-a-book library for ebooks.
Written in JavaScript language.
Licensed under AGPL-3.0.
WordPress
. by @pfefferle@mastodon.social, that allows users on AP apps to follow WP blogs, and comment on them, from an AP app
Written in unknown language.
Licensed under .
Yuforium
A federated community platform that focuses on federated communities so they are no longer constrained to a single entity.
Written in TypeScript language.
Licensed under GPL-3.0.
ENiGMA½
A modern BBS software with a nostalgic flair. (see: )
Written in Javascript language.
Licensed under BSD-2-Clause.
Kbin
) - Link aggregator and microblogging platform for Fediverse
Written in PHP language.
Licensed under AGPL-3.0.
Lobste.rs
Existing Reddit replacement adding AP support, AP issue still open
Written in unknown language.
Licensed under .
Smilodon
the server by Purism used in LibreOne, not the abandoned Tuxcraft server or Pylodon client; a complementary fork of Mastodon, focusing on opt-in public spaces
Written in Ruby language.
Licensed under AGPL-3.0.
vxwClub
Simple social groups compatible with ActivityPub.
Written in PHP language.
Licensed under MIT.
CastoPod Host
An open-source hosting platform made for podcasters who want engage and interact with their audience.
Written in PHP language.
Licensed under AGPL-3.0.
Catcast D
A federated video live streaming platform
Written in TypeScript language.
Licensed under Unknown.
FChannel
A libre, self-hostable, federated, imageboard platform that utilizes ActivityPub.
Written in Go language.
Licensed under AGPL-3.0.
Librecast LIVE
Live Streaming Video Platform with Multicast
Written in JavaScript language.
Licensed under GPL-2.0-only OR GPL-3.0-only.
Minipub
Minimal ActivityPub server for posting federated podcast comments
Written in TypeScript language.
Licensed under MIT.
Owncast
Owncast is a self-hosted live video and web chat server for use with existing popular broadcasting software.
Written in Go language.
Licensed under MIT.
PeerTube
Video-hosting site using WebTorrent
Written in TypeScript language.
Licensed under AGPL-3.0.
PixelFed
Photo Sharing. For Everyone. A free and ethical photo sharing platform.
Written in PHP language.
Licensed under AGPL-3.0.
Podverse
Web app for the Podverse podcast clip sharing system.
Written in TypeScript language.
Licensed under AGPL-3.0.
snap.as
Snap.as is a minimalist tool for publishing and sharing your photos on the web. (Not really started yet)
Written in unknown language.
Licensed under .
Gancio
Shared agenda for local communities; demo
Written in JavaScript language.
Licensed under AGPL-3.0.
Gath
Public events with no registration required, an instance connected with the friend.camp Mastodon instance is up at: http://events.friend.camp
Written in JavaScript language.
Licensed under GPL-3.0.
The Occasion Octopus
A federated network ofOpen Data for discovering interesting events
Written in PHP language.
Licensed under AGPL-3.0.
events engine that federates events over AP
riendica (see above) has an and is looking to test interop with other AP events apps. are in the works but this .
Written in unknown language.
Licensed under .
Artist Hub
Part of Creative Passport NGI0-funded project for providing a verified digital ID for Music Makers (very early stage of development)
Written in TypeScript language.
Licensed under AGPL-3.0.
NextCloud-Social
Social networking app for NextCloud
Written in PHP language.
Licensed under AGPL-3.0.
MoodleNet
LMS (Learning Management System) aimed at helping teachers collaboratively collate and curate sets of OER (Open Educational Resources)
Written in unknown language.
Licensed under .
bopwiki
An experimental 'microwiki implementation' / 'mini CMS' with ActivityPub support.
Written in Common Lisp language.
Licensed under GPL-3.0.
Chatter Net
Chatter Net is a modern decentralized semantic web built atop self-sovereign identity.
Written in Rust language.
Licensed under MIT.
CPub
a semantic web server, implements a Linked Data Platform (LDP), uses RDF Turtle as serialization format, part of the project
Written in Elixir language.
Licensed under AGPL-3.0.
Inventaire
A libre collaborative resource mapper powered by open-knowledge, starting with books. (Considers AP integration, see )
Written in JavaScript language.
Licensed under AGPL-3.0.
OLKi
A self-hosted linguistic corpora exchange platform that aims to be a simple gateway to the Fediverse for scientific interaction
Written in Python language.
Licensed under AGPL-3.0.
Openki
An interactive p2p web-platform to provide barrier-free access to education for everyone. (not federated yet, see )
Written in JavaScript language.
Licensed under AGPL-3.0.
SemApps
A collaborative, generic knowledge management system. Aims to ease data storage and filtering.
Written in JavaScript language.
Licensed under Apache-2.0.
SkoHub
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.
Written in JavaScript language.
Licensed under Apache-2.0.
XWiki
An advanced open source Enterprise Wiki (via the ).
Written in Java language.
Licensed under LGPL 2.1.
Bookwyrm
A federated alternative to Goodreads (non-OSS license)
Written in Python language.
Licensed under ANTI-CAPITALIST SOFTWARE LICENSE v1.4.
Learn Awesome
Open-source equivalent review aggregation site. Think GoodReads, but generalized to all learning resources organized by topics, formats and difficulty.
Written in Ruby language.
Licensed under AGPL-3.0.
Dharma
A federated community-building platform for Eve Online corporations.
Written in Go language.
Licensed under AGPL-3.0.
Guild Website
Federating guild website using GuildWars2 API
Written in Go language.
Licensed under MIT.
castling.club
Challenge someone to a game of chess using toots. An ActivityPub server with a single hardcoded King service actor that acts as a chess arbiter.
Written in TypeScript language.
Licensed under MIT.
Wolfgame
Wolfgame is a lot like Mafia. Once started the game simulates day/night cycle and allows players to vote for who might be a werewolf during the day.
Written in Python language.
Licensed under MIT.
ForgeFlux
API-space software forge federation. Will implement ForgeFed external to the forges, using the forge's HTTP APIs.
Written in Python language.
Licensed under AGPL-3.0.
Gitea
A community managed lightweight code hosting solution. (In progress. For status, see: , )
Written in Go language.
Licensed under MIT.
Git Social
A federated self-hosted git repository management tool
Written in Rust language.
Licensed under GPL-3.0.
Ruisseau
Federated Git platform (still in early stages of development).
Written in Rust language.
Licensed under -.
Vervis
Eventually-decentralized project hosting and management platform. Reference implementation for protocol extension.
Written in Haskell language.
Licensed under AGPL-3.0.
apevents
) - Event management system that allows event creation and coordination across Fediverse
Written in Rust language.
Licensed under MIT.
Fediplan
A way to safely schedule messages with Mastodon and Pleroma.
Written in PHP language.
Licensed under GPL-3.0.
Group actor
Groups work with any software that implements Mastodon client API; has moderation, admin announcements,
Written in Rust language.
Licensed under MIT.
Guppe
By , adds "groups" support as group-type actors
Written in JavaScript language.
Licensed under GPL-3.0.
Mastodon Bot Autoresponder
a bot that implements group functionality in Mastodon.
Written in Python language.
Licensed under MIT.
tootgroup.py
Emulate group accounts on Mastodon.
Written in Python language.
Licensed under GPL-3.0.
activitypub-core
An attempt to build a spec-compliant ActivityPub server in Node.js.
Written in TypeScript language.
Licensed under MIT.
Alovoa
Free and open-source dating platform that respects your privacy (considering AP support, see )
Written in Java language.
Licensed under AGPL-3.0.
Communecter
Manage cities as a connected citizen, produce openCityData, manage organizations, projects, events openly, an open societal approach (intends to add AP support, see )
Written in PHP language.
Licensed under Apache-2.0.
Corteza
"Digital Work Platform for Humanity" an open-source, low-code federated platform for building cloud-based business apps with CRM capabilities
Written in Go language.
Licensed under Apache-2.0.
FairSync
Develops and collects best practices to synchronize maps and events and to federate messengers and identities. (Funded with NGI0, implementing ActivityStreams, but AP support not clear, currently unlicensed)
Written in Java language.
Licensed under Unknown.
FitTrackee
A simple self-hosted workout / activity tracker. (Still considering AP support, see )
Written in Python language.
Licensed under AGPL-3.0.
hvxahv-platform
A multifunctional decentralized social network implementation.
Written in Go language.
Licensed under MIT.
Immers Space
The decent(ralized) metaverse.
Written in JavaScript language.
Licensed under AGPL-3.0.
Inbox
An application built for a diploma thesis to showcase work with Linked Data Notifications, Activity Streams and ActivityPub, using Solid pod as data provider. (See also . No license, see )
Written in TypeScript language.
Licensed under Unknown.
Life Server
A decentralized personal data framework inspired by MIT's Solid Project (AP support planned, see ),
Written in JavaScript language.
Licensed under MIT.
Ocelot Social
Free and open-source social network for active citizenship.
Written in JavaScript language.
Licensed under MIT.
retrospring
Q&A based social network. Ask questions, give answers and learn more about your friends. (AP support planned. See: )
Written in Ruby language.
Licensed under AGPL-3.0.
Smartlike
A free non-profit decentralized donation processor with a focus on freedom, privacy and efficiency.
Written in Rust language.
Licensed under AGPL-3.0.