At Piriform we create award-winning software to make your computer faster, more secure and have greater privacy. Whether you're cleaning out files on your system with CCleaner, defragging your hard drive with Defraggler, analyzing your hardware with Speccy, or recovering deleted files with Recuva, we've got you covered.
The Following was taken from there about page at http://www.piriform.com/about
All the Piriform products are free but there are paid versions also but the free versions work great.
Piriform Utilities 2013-11-17