Self-hosted projects built with ActivityPub

Mastodon is an open-source, ActivityPub-compatible social network server for microblogging, offering federated timelines, moderation tools, media support, and APIs.

AGPL-3.0Actively maintained

Alternative to:

Threads+7

PeerTube is a decentralized, ActivityPub-federated video hosting platform with live streaming, P2P WebRTC delivery, and customizable community-run instances.

AGPL-3.0Actively maintained

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YouTube+8

Lemmy is a federated, self-hostable link aggregator and forum platform for creating Reddit-like communities with voting, comments, moderation tools, and ActivityPub federation.

AGPL-3.0Actively maintained

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Reddit+3

Owncast is a self-hosted live streaming server that supports RTMP ingest, HLS playback, and built-in web chat, with optional Fediverse (ActivityPub) integration.

MITActively maintained

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YouTube+12

BookWyrm is a federated social network to track reading, write reviews, share quotes, and discover books with communities via ActivityPub federation.

Actively maintained

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Goodreads+5

Ech0 is a lightweight open-source, self-hosted federated publishing platform (ActivityPub) with a Vue-based UI, SQLite storage, Docker deployment and built-in Markdown editor.

AGPL-3.0Actively maintained

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Micro.blog+13

Self-hosted, federated catalog and social tracker for books, movies, TV, music, podcasts, games, and performances with ratings, reviews, lists, and ActivityPub.

AGPL-3.0Actively maintained

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BookWyrm+7

Postmarks is a self-hosted, single-user bookmark manager that publishes and federates bookmarks over ActivityPub with Mastodon-compatible platforms.

MITActively maintained

Alternative to:

Pinboard+10

Headless federated microblogging server for single users that implements ActivityPub and Mastodon-compatible REST APIs for use with Mastodon clients.

AGPL-3.0Actively maintained

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Mastodon (mastodon.social)+5

Federated, open-source short-video platform for communities and creators with ActivityPub federation, API access, and creator-focused features.

AGPL-3.0Actively maintained

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PeerTube+1

Single-user self-hosted federated bookmark manager written in Go, using a single SQLite file, with ActivityPub support, web archiving, RSS and tagging.

AGPL-3.0Actively maintained

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Raindrop.io+13

Akkoma is an Elixir/Phoenix fork of Pleroma implementing ActivityPub, with Misskey-flavored markdown, custom emoji reactions, multiple frontends and performance improvements.

Activity unknown

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Pleroma+5

Lightweight ActivityPub social network server focused on privacy, safety, and customization, with Mastodon API compatibility for many existing clients.

Activity unknown

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Mastodon (mastodon.social)+7

Lightweight ActivityPub microblogging platform with Mastodon-compatible API, rich post interactions, and optional paid subscriptions via Monero.

Activity unknown

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Mastodon (mastodon.social)+6

Mobilizon is a federated platform to create and discover events and groups, manage attendance, and publish event pages without relying on major social networks.

Activity unknown

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Meetup+19

Socialhome is a federated, self-hosted social network engine enabling decentralized user profiles and cross-network federation via ActivityPub.

Activity unknown

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Mastodon (mastodon.social)+8

Self-hostable, ActivityPub-enabled classifieds app where users post small ads that can federate across flohmarkt instances and other Fediverse servers.