Apps for Diagnostic
The Diagnostic Software catalog includes programs developed to evaluate, monitor, and optimize your computer system. The software programs in this directory may provide basic system information, delete unnecessary files, fine-tune your system settings, clean and repair your Windows Registry, and improve your computer's performance.

EVEREST Corporate Edition
Free to try

Speccy
Free

PC Wizard 2013
Free

SIW
Free to try

SIW - Technician's Version
Free to try

ASTRA32
Free to try

ASTRA32 - Advanced System Information Tool Portable
Free to try

HWiNFO for DOS
Free

Belarc Advisor
Free

Free PC Audit
Free

System Information Viewer (64-bit)
Free

System Information Viewer
Free

3DMark Basic Edition
Free
TuneXP
Free

Registry Repair
Free

Startup Inspector for Windows
Free

System Analyser
Free to try

Tweak-XP Pro
Free to try

Free Ram Optimizer XP
Free
TweakNow PowerPack Professional
Free to try
CD Speed
Free to try

HDD Health
Free

Power Defrag
Free to try
RAM Def
Free