An open API service indexing awesome lists of open source software.

ActivityPub

ActivityPub is a decentralized social networking protocol standardized by the World Wide Web Consortium (W3C). It includes both an API for social networking clients and an API for server-server federation.

https://github.com/mastodon/mastodon

Your self-hosted, globally interconnected microblogging community

activity-stream activitypub docker fediverse mastodon microblog social-network social-web webfinger

Last synced: 11 Jan 2026

https://github.com/tootsuite/mastodon

Your self-hosted, globally interconnected microblogging community

activity-stream activitypub docker fediverse mastodon microblog social-network social-web webfinger

Last synced: 27 Apr 2025

https://github.com/chocobozzz/peertube

ActivityPub-federated video streaming platform using P2P directly in your web browser

activitypub angular decentralized p2p video

Last synced: 09 Sep 2025

https://github.com/lemmynet/lemmy

πŸ€ A link aggregator and forum for the fediverse

activitypub chat fediverse lemmy link-aggregator reddit rust

Last synced: 06 Jan 2026

https://github.com/Chocobozzz/PeerTube

ActivityPub-federated video streaming platform using P2P directly in your web browser

activitypub angular decentralized p2p video

Last synced: 14 Mar 2025

https://github.com/LemmyNet/lemmy

πŸ€ A link aggregator and forum for the fediverse

activitypub chat fediverse lemmy link-aggregator reddit rust

Last synced: 14 Mar 2025

https://github.com/misskey-dev/misskey

🌎 A completely free and open interplanetary microblogging platform πŸš€

activitypub federation fediverse microblog misskey

Last synced: 07 Jan 2026

https://github.com/owncast/owncast

Take control over your live stream video by running it yourself. Streaming + chat out of the box.

activitypub broadcasting chat decentralized federation fediverse golang hacktoberfest hls live livestream owncast rtmp self-hosted streaming-video video

Last synced: 09 Sep 2025

https://github.com/writefreely/writefreely

A clean, Markdown-based publishing platform made for writers. Write together and build a community.

activitypub beta blogging federation go markdown publishing web-application writefreely writers writing

Last synced: 12 May 2025

https://github.com/superseriousbusiness/gotosocial

Fast, fun, small ActivityPub server. READ ONLY MIRROR! Now on Codeberg instead: https://codeberg.org/superseriousbusiness/gotosocial

activitypub activitystreams agplv3 federation fediverse fediverse-server golang mastodon social-media social-network

Last synced: 12 May 2025

https://github.com/bookwyrm-social/bookwyrm

Social reading and reviewing, decentralized with ActivityPub

activitypub books bookwyrm decentralization federation openlibrary reading social-media

Last synced: 14 May 2025

https://github.com/plume-org/plume

Federated blogging application, thanks to ActivityPub (now on https://git.joinplu.me/ β€” this is just a mirror)

activitypub activitystreams blog blog-engine decentralization diesel federation rocket rust

Last synced: 14 May 2025

https://github.com/Plume-org/Plume

Federated blogging application, thanks to ActivityPub (now on https://git.joinplu.me/ β€” this is just a mirror)

activitypub activitystreams blog blog-engine decentralization diesel federation rocket rust

Last synced: 19 Mar 2025

https://github.com/tsileo/microblog.pub

A self-hosted, single-user, ActivityPub powered microblog.

activitypub indieauth microblog microblogging microblogpub micropub

Last synced: 16 May 2025

https://github.com/snarfed/bridgy-fed

πŸŒ‰ A bridge between decentralized social networks

activitypub atproto bluesky fediverse indieweb

Last synced: 14 May 2025

https://github.com/forgefed/forgefed

ForgeFed - Federation Protocol for Forge Services

activitypub distributed federated federation forge git scm vcs

Last synced: 14 May 2025

https://github.com/joyeusenoelle/guidetomastodon

An increasingly less-brief guide to Mastodon

activitypub fediverse guide hacktoberfest mastodon mastodon-culture

Last synced: 16 May 2025

https://github.com/joyeusenoelle/GuideToMastodon

An increasingly less-brief guide to Mastodon

activitypub fediverse guide hacktoberfest mastodon mastodon-culture

Last synced: 29 Mar 2025

https://github.com/fedify-dev/fedify

ActivityPub server framework in TypeScript

activitypub bun deno fedify fediverse hacktoberfest nodejs typescript

Last synced: 15 Jan 2026

https://github.com/rustodon/rustodon

A Mastodon-compatible, ActivityPub-speaking server in Rust

activitypub federated mastodon microblog rust social-network

Last synced: 12 Apr 2025

https://github.com/ernestwisniewski/kbin

A reddit-like content aggregator and micro-blogging platform for the fediverse.

activitypub federation fediverse php reddit symfony

Last synced: 12 Apr 2025

https://github.com/bonfire-networks/bonfire-app

Bonfire - tend to your digital life in community. Customise and host your own online space and control your experience at the most granular level.

activitypub collaborative cooperative decentralized elixir federated fediverse framework mutual-aid phoenix phoenix-liveview self-hosted social-network surface tailwindcss

Last synced: 23 Jan 2026

https://github.com/dariusk/rss-to-activitypub

An RSS to ActivityPub converter.

activitypub rss

Last synced: 05 Apr 2025

https://github.com/nextcloud/social

πŸŽ‰ Social can be used for work, or to connect to the fediverse!

activitypub federation fediverse hacktoberfest mastodon nextcloud nextcloud-app nextcloud-social open-source social social-network

Last synced: 14 Apr 2025

https://github.com/nicolasconstant/birdsitelive

An ethical bridge from Twitter

activitypub twitter

Last synced: 05 Apr 2025

https://github.com/LemmyNet/activitypub-federation-rust

High-level Rust library for the Activitypub protocol

activitypub federation lemmy rust

Last synced: 09 Apr 2025

https://github.com/lemmynet/activitypub-federation-rust

High-level Rust library for the Activitypub protocol

activitypub federation lemmy rust

Last synced: 15 May 2025

https://github.com/toddsundsted/ktistec

Single user ActivityPub (https://www.w3.org/TR/activitypub/) server.

activitypub crystal

Last synced: 16 May 2025

https://github.com/kitsune-soc/kitsune

🦊 (fast) ActivityPub-federated microblogging

activitypub federation fediverse mastodon rust social-network svelte tailwindcss

Last synced: 16 May 2025

https://github.com/fedify-dev/hollo

Federated single-user microblogging software

activitypub fediverse microblog

Last synced: 16 May 2025

https://github.com/grishka/smithereen

Federated, ActivityPub-compatible social network server with friends, walls, and groups.

activitypub fediverse

Last synced: 05 Apr 2025

https://codeberg.org/firefish/firefish

MOVED REPO: https://git.joinfirefish.org/firefish/firefish

activitypub federation fediverse microblog misskey napi nodejs postgresql rust seaorm vue

Last synced: 04 Oct 2025

https://github.com/mbinorg/mbin

Mbin: a federated content aggregator, voting, discussion and microblogging platform

activitypub content-ratings federated fork kbin lemmy link-aggregator mbin micro-blogging microblogging php8 reddit social-network symfony threadiverse

Last synced: 16 May 2025

https://github.com/yukimochi/Activity-Relay

Yet another powerful customizable ActivityPub relay server written in Go.

activitypub golang mastodon misskey

Last synced: 11 May 2025

https://github.com/neodb-social/neodb

🧩 NeoDB is a self-hosted server tracking what you read/watch/listen/play, powering a global distributed community federating via ActivityPub.

activitypub books douban games goodreads hacktoberfest letterboxd mastodon movies music neodb podcasts social-network

Last synced: 29 Dec 2025

https://github.com/immers-space/activitypub-express

Modular ActivityPub implementation as Express JS middleware to easily add decentralization and federation to Node apps

activitypub express mongodb nodejs

Last synced: 06 Apr 2025

https://github.com/framasoft/mobilizon

Gather, organize and mobilize yourselves with a convivial, ethical, and emancipating tool.

activitypub decentralized elixir events federation meetup mobilizon vue

Last synced: 05 Apr 2025

https://github.com/yukimochi/activity-relay

Yet another powerful customizable ActivityPub relay server written in Go.

activitypub golang mastodon misskey

Last synced: 06 Apr 2025

https://github.com/misskey-dev/dolphin

🐬 A Lightweight ActivityPub Server

activitypub federation misskey nodejs

Last synced: 07 Apr 2025

https://github.com/landrok/activitypub

A PHP implementation of ActivityPub protocol based upon the ActivityStreams 2.0 data format.

activitypub activitystreams federated federated-social-web protocol

Last synced: 12 Apr 2025

https://github.com/mariusor/brutalinks

Link aggregator inspired by (old)reddit using ActivityPub federation. (mirror repository)

activitypub federated link-aggregator

Last synced: 12 Apr 2025

https://github.com/benbrown/shuttlecraft

a single user activitypub server - join the federation!

activitypub benbrown blogging fediverse indieweb microblogging rss socialmedia

Last synced: 07 Apr 2025

https://github.com/davecheney/pub

pub, a tiny ActivityPub to Mastodon bridge

activitypub fediverse mastodon

Last synced: 07 Nov 2025

https://github.com/Nutomic/ibis

A federated online encyclopedia

activitypub fediverse rust wiki wikipedia

Last synced: 02 May 2025

https://github.com/MbinOrg/mbin

Mbin: a federated content aggregator, voting, discussion and microblogging platform (By the community, for the community)

activitypub content-ratings federated fork kbin lemmy link-aggregator mbin micro-blogging microblogging php8 reddit social-network symfony threadiverse

Last synced: 31 Mar 2025

https://github.com/anforaproject/anfora

🏺 Self-hosted photo gallery social network. Under development

activitypub gallery photo-sharing python social-network

Last synced: 21 Sep 2025

https://github.com/anforaProject/anfora

🏺 Self-hosted photo gallery social network. Under development

activitypub gallery photo-sharing python social-network

Last synced: 03 Apr 2025

https://gitlab.com/prismosuite/prismo

Federated link aggregation powered by ActivityPub.

activitypub

Last synced: 04 Oct 2025

https://github.com/soatok/mastodon-e2ee-specification

Soatok's Proposal for End-to-End Encryption in Mastodon

activitypub crypto cryptography e2ee encryption end-to-end-encryption fediverse mastodon

Last synced: 09 May 2025

https://github.com/mlemgroup/mlem

Mlem for Lemmy

activitypub ios lemmy swift swiftui

Last synced: 12 Apr 2025

https://github.com/dsblank/activitypub

A general Python ActivityPub library

activitypub python

Last synced: 11 Oct 2025

https://github.com/activitypods/activitypods

Brings together two game-changing technologies, ActivityPub and Solid Pods, and empowers developers to create truly decentralized applications

activitypub semapps solid

Last synced: 04 Apr 2025

https://codeberg.org/Bazsalanszky/Eternity

A Lemmy client forked from the Infinity for Reddit project

activitypub android fediverse lemmy

Last synced: 31 Jul 2025

https://codeberg.org/bazsalanszky/eternity

A Lemmy client forked from the Infinity for Reddit project

activitypub android fediverse lemmy

Last synced: 04 Oct 2025

https://github.com/importantimport/hatsu

🩡 Self-hosted & Fully-automated ActivityPub Bridge for Static Sites.

activity-stream activitypub docker federation fediverse hacktoberfest hatsu rust social-network webfinger

Last synced: 04 Apr 2025

https://github.com/feditext/feditext

A free, open-source iOS client for Mastodon, Glitch, GotoSocial, Iceshrimp, Akkoma, and other Mastodon-API-compatible Fediverse instance servers.

activitypub akkoma glitch-soc gotosocial iceshrimp ios ios-swift mastodon

Last synced: 06 Oct 2025

https://github.com/TryGhost/ActivityPub

A full-featured ActivityPub server for networked publishing with Ghost

activitypub fediverse fediverse-server ghost ghost-cms

Last synced: 09 Apr 2025

https://github.com/Arkanosis/microstatus

Lightweight Mastodon- and GNU social-compatible ActivityPub and OStatus server implementation

activitypub gnu-social mastodon microblog mstd ostatus social-network

Last synced: 17 Jul 2025

https://github.com/arkanosis/microstatus

Lightweight Mastodon- and GNU social-compatible ActivityPub and OStatus server implementation

activitypub gnu-social mastodon microblog mstd ostatus social-network

Last synced: 25 Jul 2025

https://github.com/joinloops/loops-app

Mobile app for Loops

activitypub loops social-media

Last synced: 06 Apr 2025

https://github.com/tryghost/activitypub

A full-featured ActivityPub server for networked publishing with Ghost

activitypub fediverse fediverse-server ghost ghost-cms

Last synced: 05 Apr 2025

https://github.com/writeas/read.as

Long-form ActivityPub-enabled reader.

activitypub webfinger writeas

Last synced: 29 Jun 2025

https://github.com/go-ap/fedbox

Reference implementation of an ActivityPub service using go-ap packages (mirror repository)

activitypub

Last synced: 11 May 2025

https://github.com/kokonect-link/cherrypick

🌎 A interplanetary communication platform πŸš€

activitypub cherrypick federation fediverse kokonect microblog misskey nodejs vue web

Last synced: 08 Apr 2025

https://github.com/writeas/Read.as

Long-form ActivityPub-enabled reader.

activitypub webfinger writeas

Last synced: 03 Apr 2025

https://github.com/gugray/rss-parrot

Notifies Mastodon accounts about new posts in the RSS feeds they follow

activitypub atom fediverse feed-reader mastodon rss

Last synced: 05 Apr 2025

https://github.com/letterbook/letterbook

Sustainable federated social media built for open correspondence

activitypub contributions-welcome csharp federation mastodon microblogging

Last synced: 10 Apr 2025

https://github.com/go-ap/activitypub

ActivityPub vocabulary for Go

activitypub go

Last synced: 16 May 2025

https://framagit.org/kaihuri/mobilizon

Gather, organize and mobilize yourselves with a convivial, ethical, and emancipating tool. https://mobilizon.org Discuss at https://app.element.io/#/room/#mobilizon:matrix.org Join the forum: https://framacolibri.org/c/mobilizon/39

Elixir Events Meetup Mobilizon activitypub decentralized federation

Last synced: 06 Apr 2025

https://github.com/EmissarySocial/emissary

The Social Web Toolkit

activitypub activitypub-server rss

Last synced: 29 Mar 2025