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.

Bonfire Social

(, ): Your plug & play federated social network. Tend to your digital life in community.

Written in Elixir language.

Licensed under AGPL-3.0.

Dolphin

Lightweight ActivityPub Server optimized for single-user. A fork and sister project of Misskey

Written in Javascript language.

Licensed under AGPL-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.

FlockingBird

social network for professionals (WIP)

Written in unknown language.

Licensed under .

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.

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.

Jejune

A work-in-progress ActivityPub server designed to use constructions which provide functional security and resilience

Written in Python language.

Licensed under ISC license.

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.

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 -.

lectrn

A social network for humans that is free, decentralized, open, and easy to use.

Written in Javascript language.

Licensed under AGPL-3.0.

Lumen-ap-server

ActivityPub server using Lumen framework

Written in PHP language.

Licensed under MIT.

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. Like Pubgate, uses

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

Sophisticated microblogging with personality. Provides many additional features like calendar, emoji reactions, polls, games, and many other widgets

Written in Javascript language.

Licensed under AGPL-3.0.

Mistpark 2020

ka 'misty' (, ) - A webserver app that supports AP and Zot protocols, fork of Zap

Written in PHP language.

Licensed under CC0-like.

Osada

a full featured social network application. Old abandoned by the developer in March 2019; recently moved to new repo

Written in unknown language.

Licensed under .

Pleroma

Microblogging platform

Written in Elixir language.

Licensed under AGPL-3.0.

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.

pump.io

still considers adding ActivityPub

Written in unknown language.

Licensed under .

Roadhouse

, ) - Next gen Fediverse server

Written in PHP language.

Licensed under CC0-like.

Rustodon

Mastodon-compatible server

Written in Rust language.

Licensed under AGPL-3.0.

Scuttlebutt

currently working on a bridge between SSB and AP networks

Written in unknown language.

Licensed under .

Smithereen

VKontakte-like social network, with friends, walls, photo albums and groups

Written in Java language.

Licensed under Unlicense.

Socialhome

Personal webpage with social networking functionality

Written in Python language.

Licensed under AGPL-3.0.

Socialtap

drink socially! A federated version of Untappd.com. It the ActivityPub types

Written in Go language.

Licensed under GPL-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

A webserver app that supports AP and Zot protocols (successor to Zap, see )

Written in PHP language.

Licensed under -.

Swanye

A tumblelog in the style of Tumblr.

Written in Elixir language.

Licensed under AGPL-3.0.

Tavern

A minimalistic Activity Pub server. Think Mastodon, but smaller and with fewer features

Written in MIT language.

Licensed under Go.

tranquility

Small ActivityPub server written in Rust.

Written in Rust 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.

Zap

A webserver app that supports AP and Zot protocols

Written in PHP language.

Licensed under CC0-like.

Dinolog

Utterly simplified and lightweight blogging protocol. (AP support planned. See )

Written in Go language.

Licensed under -.

Dokie.li

Article authoring and formating

Written in Javascript language.

Licensed under Apache-2.0.

Drupal

ActivityPub module for Drupal.

Written in PHP language.

Licensed under GPL-2.0.

GoBlog

Simple blogging system written in Go

Written in Go language.

Licensed under MIT.

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.

Plume

Blogging application

Written in Rust language.

Licensed under AGPL-3.0.

Read.as

Reading app by the devs of WriteFreely

Written in Go language.

Licensed under AGPL-3.0.

Redaktor

AP-powered CMS

Written in unknown language.

Licensed under .

Stringer

A blogging platform for the decentralized web.

Written in PHP 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 .

WriteFreely

Blog software

Written in Go language.

Licensed under AGPL-3.0.

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.

Flarum

Experimental plugin for forum software by

Written in unknown language.

Licensed under .

Lemmy

Link aggregator, by

Written in Rust language.

Licensed under AGPL-3.0.

Lobste.rs

Existing Reddit replacement adding AP support, AP issue still open

Written in unknown language.

Licensed under .

brutalinks

Link aggregator inspired by Reddit

Written in Go language.

Licensed under MIT.

lotide

A federated forum / link aggregator.

Written in Rust language.

Licensed under AGPL-3.0.

MoonTree

Link aggregator, a work in progress

Written in Typescript language.

Licensed under MIT.

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.

Anfora

(formerly Zinat) Image sharing

Written in Python language.

Licensed under AGPL-3.0.

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 -.

FChannel

A libre, self-hostable, federated, imageboard platform that utilizes ActivityPub.

Written in Go language.

Licensed under AGPL-3.0.

FunkWhale

Music streaming

Written in Python 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

Image sharing

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.

GetTogether

Still considering adding AP support

Written in unknown language.

Licensed under .

Mobilizon

Aims to be more than a Meetup clone

Written in Elixir language.

Licensed under AGPL-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.

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 Javscript 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.

Readlebee

An attempt to create a viable Goodreads alternative, book reading progress, lists, reviews, comments

Written in Javascript 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.

ForgeFriends

An online service to federate forges.

Written in GO language.

Licensed under MIT.

Gitea

A community managed lightweight code hosting solution. (In progress. For status, see: , )

Written in GO language.

Licensed under MIT.

Vervis

Eventually-decentralized project hosting and management platform. Reference implementation for protocol extension.

Written in Haskell language.

Licensed under AGPL-3.0.

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.

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 ?.

FitTrackee

A simple self-hosted workout / activity tracker. (Still considering AP support, see )

Written in Python language.

Licensed under GPL-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 -.

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.