AT Protocol

is a federated protocol for building social applications on an open, decentralized network

Glossary

Quick reference to AT Protocol terms.

Lexicons, Pinned Posts, and Interoperability

Post-mortem about the evolution of lexicons and lessons learned.

Quick start guide to building applications on AT Protocol

Guide to create a basic ATProto application.

First impressions of Bluesky's AT Protocol

In-depth analysis of Bluesky's ATProto, highlighting its aim to create a decentralized social media architecture.

Nostr and ATProto

Comparison of Nostr and ATProto, two decentralized social media protocols, exploring their origins, similarities, and differences.

How decentralized is Bluesky really?

Critical examination of Bluesky's decentralization claims and its architectural challenges compared to established protocols.

Reply on Bluesky and Decentralization

Reply to Christine Lemmer-Webber's thoughtful (and widely read) "How decentralized is Bluesky really?" blog post.

What is atproto.com good for?

Technical exploration of ATProto's design principles, architectural challenges, and potential limitations as a decentralized social media protocol.

The AT Protocol Architecture

Analysis of the ATProto's architecture.

Notes on Running a Full-Network atproto Relay (July 2024)

Experience about running an ATProto relay.

PDSls

ATProto repositories browser.

ATProto Browser

ATProto URIs browser.

Bluesky

The beloved social network and main ATProto platform.

Blue Place

Massive real-time collaborative canvas.

Bookhive

Goodreads alternative.

Frontpage

Federated link aggregator.

GrayHaze

Live streaming service (alpha).

Linkat

Link in bio for Bluesky.

Pastesphere

Pastebin alternative.

Picosky

ATProto chatting appview.

PinkSea

Oekaki BBS.

recipe.exchange

Cooking recipes sharing.

Skylights

Book reviews.

Smoke Signal

Event creation and managing.

Sparta Social

Exercise activity tracker (wip).

TouchGrass

An opinionated social network, ATProto- and ActivityPub-compatible, with a focus on real life, real friends, portability & interoperability.

Whitewind

Markdown blog service using ATProto with no registration required.

ClearSky

Tool to explore Bluesky accounts.

cleanfollow

Select inactive or blocked accounts to unfollow.

Handles directory

Handles ranking by TLDs.

Labellers

List of known labellers.

BluSki account history

Editable notebook to analyze a Bluesky account.

Starter Packs

Search Bluesky starter packs and profiles.

PDS self-hosting

Self-hosting a Bluesky PDS means running your own Personal Data Server that is capable of federating with the wider ATProto network.

Bluesky-powered comments for any website

Embed Bluesky comments on your website easily (announcement).

ATFile

Store and retrieve files on the ATmosphere.

OpenPost

Self-hosted social publishing tool that schedules posts to Bluesky through AT Protocol alongside other networks.

ONYX

Bluesky-native, AT-Protocol post scheduler with AI-assisted drafting, analytics, and free Bluesky tools. $7/mo flat, free tier.

ShopSavvy for Bluesky

AT Protocol suite: reactive mention bot for real-time price lookups, a custom deals feed generator, and a daily deal poster.

ATFile

Bluemoji

Bluesky

The Authenticated Transfer Protocol, an open protocol for decentralized social networking with portable identities (DIDs), powering Bluesky; global views of the network rely on resource-intensive Relay and AppView services.

Bookhive

Frontage

GrayHaze

Linkat

Pastesphere

Picosky

PinkSea

place.blue

recipe.exchange

Skylights

Skymdb

Smoke Signal

Sparta Social

Exercise activity tracker (wip).

Whitewind