UltraShredder is a small (~ 250 KB) file eraser, from Germany, supports batch deleting. We can see its name contains an "Ultra", this shows that it is not a general deletion, but really allows us to delete sensitive data safely, and is irreversible, so when you delete the file, please be careful.

mp3DirectCut (with the same author of 1by1) is a freeware audio editing applet that can be used to cut extensive music files without quality losses and split, developed by Martin Pesch from Germany. It graphically shows clearly the wave form of MP3 file, which allows you to quickly and accurately get the break point to cut.

Process Explorer is one of the famous Sysinternals' products - enhanced Task Manager, its biggest characteristic is killing any process at once, even including the key system processes, this is too far behind to catch up for the Task Manager.

Want to create your own family tree? Simple Family Tree enables you to create, edit and view a genealogy quickly and easily. With it, you can get the information and data of all your family members (including ancestors and descendants) together.

After Windows is reinstalled, your old OEM (Original Equipment Manufacturer) information will be lost, so what is a good way to change back quickly? Or if you are not satisfied with the monotonous logo in your system properties. In these cases, you can try OEM-DIY, it makes the system information modifications easier.