It’s called Dangerous Associations, and it’s a collection of a bunch of the Group Seeds I’ve done on this site over the years. It’s not approved yet, but if you go on my page there you will see Tomes of Unusual Knowledge, which is likewise totally a thing.
I don’t know what I’m doing next on the RPG front, so feel free to offer suggestions! Bear in mind I can’t put anything up there that isn’t covered under an OGL.