Retina Images for WordPress will create a double resolution image whenever an image is uploaded and decide which one to serve depending on the user’s screen (Retina or not) without an extra http request.
WordPress GPS provides an admin panel with a scenario selection.
WordPress Download Manager helps you to manage, track and control file downloads from your WordPress site.
WP Marketplace will convert your WordPress site into a marketplace in just a few minutes.
WP Overview (lite) Footer Memory Usage shows overview and memory usage on the WordPress Dashboard.