- The Nation Registry of Experts
- American Bone Marrow Donor Registry
- Malinois Registry of Merit
- US National Do-Not-Call Registry
- Gift Registry
- A Directory of Affiliate Programs
- Domain Name Registry for Organizations
- Georgia Registry of Interpreters for the Deaf, Inc
- Oilfield Workers Registry
- Clown Face Registry
- National Film Registry
- Mushroom Poisoning Case Registry
- Speedtrap registry
- Object Identifier Registry
- Organized Crime Registry
- International Registry of Artists and Artwork
- Worldwide Registry of Professional Electrologists
- The National Haunted Places Registry
Apparently there is no place where I can register that my body parts are large enough, thank you.
Registries try to solve a coordination problem, a search problem, a certification problem. But they only work well when they achieve sufficent scale to capture the network effects that make them valuable to their users. A successful registry becomes a standard; the standard way to answer a some class of questions. EBay has managed to do that for junk.
Registry design gets a lot more interesting when you want to control who’s
allowed to know what when. It gets more interesting when you start trying to standardize broadly what questions people can ask.