chadtmiller.com/hatk
AT Protocol app framework
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---
title: Built on hatk
description: Projects and applications built with hatk.
---
## Grain Social
A photo sharing and gallery app for the AT Protocol.
- [grain.social](https://grain.social)
- [Source code](https://tangled.org/grain.social/grain)
## Status
- [status.zzstoatzz.io](https://status.zzstoatzz.io)
- [Source code](https://tangled.org/zzstoatzz.io/status)