All these are great tools to keep things running smooth.
Auslogics Disk Defrag @ http
/www.filehippo.com/download_auslogics_disk_defrag/
Autoruns @ http
/www.filehippo.com/download_autoruns/
CCleaner @ http
/www.filehippo.com/download_ccleaner/
CPU-Z @ http
/filehippo.com/download_cpuz/
HWMonitor @
http/www.cpuid.com/softwares/hwmonitor.html
GPU-Z @ http
/filehippo.com/download_gpuz/
Process Explorer @ http
/filehippo.com/download_process_explorer/
Speccy @ http
/filehippo.com/download_speccy/
MemTest @ http
/hcidesign.com/memtest/
Belarc @
http/www.belarc.com/free_download.html
Recuva @ www.piriform.com/recuva
Of course there is more tools, these are just what I use .