Piriform is the software developer which specializes on programs for system optimization.

The company produces both home versions of programs that are absolutely free and upgraded versions on a fee basis.

The most famous product of Piriform is Ccleaner, which is a set of utilities to optimize various components of the system.
In addition, the company develops software products such as Defraggler (to defragment the hard disk ), Recuva (restoration of the data on the disk), and Speccy (detailed statistics about the computer device).

Software

CCleaner
System / Cleaning
Defraggler
System / Defragmentation
Recuva
System / File Recovery
Speccy
System / System Info