100 Portable Apps for your USB Stick (both for Mac and Win) | MakeUseOf.com
If you have a flash drive or PDA and you only use it for really basic stuff — like copying files from computer for use on another — well check out all the free software that is available as portable applications. Here are 100 free applications that you can use to increase your productivity, keep your data private, make everything portable, and keep your “stuff” with you as you move in the world and from computer to computer. It’s pretty amazing stuff!