OnePub allows you to add a 'watch' to one or more public and/or private packages.
Watching a package provides two features:
1) we create a bookmark on your OnePub search page for quick access
2) we send you an email notification whenever a new version of the package is uploaded.
To add a watch click on the eye
next to the package name in the search results:
If you only want the bookmark feature then you can turn of notifications for each watched package.