I'd like to self-nominate the package I just released.
Package: swift-package-registry-service
Reason for nomination:
Support in Swift Package Manager for package registries was released in Swift 5.8. However, usage of package registries has not really taken off. There are probably several reasons for this.
First, I think this Swift developers were hoping that Github would provide a Swift Package Registry Service implementation, and that has not happened yet. Second, there really hasn't been a robust, open-source implementation of the Swift Package Registry Service.
This package attempts to fill both of those holes. This package is a Vapor-based implementation of the Swift Package Registry Service which is implemented by proxying and caching the Github API.