Windows only: If you've been holding your breath for a portable version of one of your favourite Windows applications, it might be time to take matters into your own hands. PackageFactory helps convert your applications.
PackageFactory is a small application that assists you in bundling applications to be used on your U3 enabled flash drive. According to the makers you can package any Windows program although the more complex the application's dependencies the trickier the packaging. Thankfully the automated wizard does a fantastic job and you'll rarely have to dig around in the manual features to get an application to work. For a step by step tutorial on converting an application and adding it to your U3 drive, check out the MakeUseOf article below. Otherwise you can jump right in by going to the publisher's site and grabbing the tiny app. PackageFactory is free for personal use and is Windows only.