Recuva - Accidentally deleted an important file? Lost files after a computer crash?
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
EaseUS Data Recovery Wizard - Advanced data recovery software to do format recovery, unformat and recover deleted files emptied...
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
RStudio - RStudio™ is a new integrated development environment (IDE) for R.
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.