Piriform Defraggler

I just tried this program and it is awesome, it speeds up my computer and can defrag my file so that recover my harddisk space. It claims that it defrags our computers when our computers are in sleep mode.

The best of the best thing of this program that it is free! it is made by piriform and that is also the creator of Ccleaner that is already famous in this world. Some of the key features are:
- Speeds up your computer
- Can recover your harddisk's space
- FREE!
- Nice user interface
- Really easy to use
- Defrags while the computers are in sleep mode
- And other awesome key features


To download, press here