Avidemux - This handy free application allows you to edit, filter and encode various video file formats. Granted it is no Final Cut Pro or Adobe Premiere but it will get the job the done.
CDBurnerXP - I have used a number of CD burning software over the years, but this one is light and works great for all my needs.
CCleaner - Here is an awesome tuneup application for windows. It can clean out the registry fragments, as well as, get rid of your browsing history and internet demons.
Dropbox - This little app gives you 2 gb of online storage for all your pictures, music, and docs that you can access from anywhere online. You can sync the files across multiple computers.
Comodo EasyVPN - This application sets up a virtual network between any computers you install the program on. It is like being in front of each one remotely.