Recuva - Accidentally deleted an important file? Lost files after a computer crash?
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
Disk Drill by Cleverfiles - Recover any type of deleted files in Windows & Mac including Office documents, messages, and media files quickly and easily.
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
TestDisk - TestDisk is a free and open source data recovery software tool designed to recover lost partition and unerase deleted files. DownloadDownload TestDisk & PhotoRec. TestDisk is a free and open .
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode