Every record type in the app.at3d namespace. These AT Protocol Lexicons define portable 3D identity data stored in a user's Personal Data Server.
at3d.app — portable 3D identity for AT Protocol
An open standard for portable 3D and 2D avatars, virtual worlds, and game characters on the AT Protocol network.
ATProto Architecture
Visual summary of the AT Protocol architecture: PDS, AppView, identity, records, lexicons.
Marque · Domain registrar for the AT Protocol
Claim your name on the open web. A domain registrar built on the AT Protocol.
AT Protocol Roadmap (Spring 2026) - AT Protocol
Updates to the AT Protocol roadmap, including Permissioned Data and Account Experience.
AT Protocol Roadmap (Spring 2026) - AT Protocol
Updates to the AT Protocol roadmap, including Permissioned Data and Account Experience.
at-store | Apps on the Atmosphere
Discover apps and tools across the Atmosphere. Find your next favorite app today!
ATProto Garden
A curated directory of apps, tools, and libraries built on the AT Protocol
DASL — Data-Addressed Structures & Links
A small set of simple, standard primitives to work on content-addressed data.
DASL — Data-Addressed Structures & Links
A small set of simple, standard primitives to work on content-addressed data.
Airglow | Automations for the AT Protocol
Automations for the AT Protocol. Subscribe to Jetstream events, match a lexicon, and send a webhook, create a record, or post to Bluesky.
but should apps see our data? - building [at] habitat
thinking small on the protocol
ATScience Ecosystem Map
An interactive map of research applications, infrastructure and communities built on AT Protocol.
