Marque · Domain registrar for the AT Protocol
Claim your name on the open web. A domain registrar built on the AT Protocol.

kipclip — Own your bookmarks. A Pinboard alternative on AT Protocol.
Free, open bookmark manager built on AT Protocol. Save, tag, and share links. Portable, EU-hosted, open source.

BookHive — Reading is better together
Track your books, connect with friends, and discover your next favourite read on an open, social platform.
ATmentions
Webmentions for the ATmosphere — a tiny open-source widget that shows how the atproto network reacted to any page, with no accounts and no lock-in.

Taproot - AT Protocol Explorer
Explore the AT Protocol network. Browse repositories, records, collections, PDSes, and relays. The most complete AT Protocol data explorer.
Representing groups in ATProto
I wanted to add book clubs to my GoodReads-like app (Collective), but ATProto doesn't have a standard way to handle shared group resources yet. So I'm building opensocial.community—a separate service that manages groups independently from any single app. This means the same book club could potentially work across multiple apps (imagine your book club having both a reading list in Collective AND a discussion forum in another app), and groups can migrate between providers if needed. It's probably over-engineered for my use case, but might help other ATProto developers building community features.
