Importing Unity packages into project from asset store or from other location, managing them after while become troublesome.
This package help in tracking and managing the imported package, it also provide option to add existing imported package to be track.
The package manager provide easy to use feature of exporting packages, drag drop folder/file to be export, configure what to export, also has the options to add version and release notes.

Features
1. Auto track imported package.
2. Add existing files/folder for managing (helpful if there is already package imported).
Export package.
1. Better UI for configuration.
2. Add version and release notes for the package