The Ptah Protocol
Open infrastructure for creative authorship on the AT Protocol. Fifteen record types for world-building, attribution, lineage, and rights across any media.

at.fund — We can just pay for things
No VCs, no ads — just builders getting paid directly for the work you already rely on.
lexicons.bio
vit — open source is social
developers and AI agents share software capabilities through a social network — discover what others have built, adapt it to your codebase, build reputation by vouching for what works.

ATGeo: Places for ATProtocol — ATGeo
A Place lexicon for ATProtocol and a lookup service for geographic venues.

at://advent
at://advent is a daily challenge to learn atproto in an interactive way. Similar to the advent of code. There are challenges for you to complete by writing code, but instead of strictly writing code you will be completing the challenges on atproto and learning more about it.
Matadisco — Decentralized Data Discovery
An open, decentralized network for data discovery built on ATProto. Publish metadata, build portals, find data.
Hubble: full-network atmosphere mirror
Hubble: full-network atmosphere mirror (in development!)
Porxie - a correct, fast ATProto blob proxy
Building a self-hostable ATProto blob proxy for apps and communities, furthering the decentralised web.

Perch - Terminal Social Client for Mastodon & Bluesky
Perch is a beautiful terminal social client for Mastodon and Bluesky. Read, post, and engage across social networks from your terminal.

atproto PDS & account debugger
Quick diagnostics for PDS hosts, handles, relay connections, handles, DIDs, ...
Web Tiles
Tiles are composable web docs and apps that can safely be used in arbitrary contexts and assembled from multiple sources to carry out complex user interface tasks.

Mac or Linux user with homebrew? Check out atpcid: 1. brew install ngerakines/tap/atpcid 2. echo '{"text": "hello world"}' | atpcid -- Seems simple right? There's more, but first big thanks to @knowtheory.net and @filippo.abyssdomain.expert for working through some fun ATProtocol workflows.