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Activitypub SDKs for Bluesky & AT Protocol

Activitypub is an important topic in the AT Protocol and Bluesky ecosystem, with tools that help developers build specific functionality. This page lists 3 SDKs and development tools related to Activitypub.

accessibility activitypub activitystreams akari alternative-frontends android android-application announcement-generator announcements api api-client appview architecture architecture-components arxiv at-protocol atcute atom atp atproto atproto-labeler atproto-pds atprotocol automation autoposter bgs blacksky blog blueskey bluesky bluesky-api bluesky-app bluesky-bot bluesky-client bluesky-feed bluesky-generator bluesky-labeler bluesky-social bluesky-webclient bot bsky bsky-client chrome-extension cid client cloudflare cloudflare-d1 cloudflare-pages cloudflare-workers columnar-storage components compose compose-desktop compose-ios converter coroutines cpp cron cross-posting crosspost crossposter csharp csr custom-feed customelement customelements dag-cbor dart dasl data-visualization decentralized decentralized-identity decentralized-social decoding deno deno-deploy did did-plc didweb discord dns dotnet dribbble dsgvo dweb editor elixir embed encoding esp32 esp8266 export fast fediverse feed feed-generator feed-reader file-hosting flask flutter follow frontend gcp gdpr generator git-scraping github github-action github-actions github-pages githubactions go golang google-cloud google-cloud-platform government hacker-news hacktoberfest hacktoberfest2023 handles hls hono honojs hosting html identity indieweb ink instagram ios ipld javascript jetpack-datastore jetpack-lifecycle jetpack-room js json jsonfeed jvm kotlin kotlin-library kotlin-multiplatform kotlin-multiplatform-sample kotlinx-coroutines kotlinx-datetime kotlinx-serialization labeler laravel lexicon livestream macos mastodon mastodon-api mastodon-app merkle-search-tree microblogging microformats2 microsoft moderation moldable-development multi-follow multibase mvpbuzz next nextjs nextjs-14 nextjs14 notification-channel notion nuxt-app oauth oauth2 oauth2-client oekaki ogp-image open-source ozone pagination pds personal-data pharo php plc pm2 posse powershell powershell-module privacy python python3 r react react-native reddit registrar relay remix rest-api rsc rss rss-feed ruby rust rust-lang search self-host self-hosted self-hosting self-sovereign-identity sinatra slack social-media social-network solidjs ssi ssr svelte sveltekit swift swift-package-manager swift-syntax swift-syntax-builder swiftui synchronization telegram telegram-bot tiktok toots tweets twitter twitter-api typescript umbraco unfollowers-for-bluesky unfollowersforbluesky uwp ux-experience vapor visualization vite web-component webapp webcomponent webcomponents webservice websockets whitewind widget windows10 windows11 winui2 wordpress wordpress-plugin xaml xrpc

Activitypub SDKs

3 Bluesky and AT Protocol development tools related to Activitypub, sorted by GitHub stars.

bridgy-fed

Python•CC0-1.0

🌉 A bridge between decentralized social networks

activitypubatprotobluesky+2

1,002•52

Updated May 19, 2025

granary

Python•CC0-1.0

💬 The social web translator

activitypubactivitystreamsatom+13

485•60

Updated May 19, 2025

rss-parrot

Go•MIT

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

activitypubatomfediverse+3

145•12

Updated May 17, 2025

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