Software, hardware and training materials for PC diagnostics, troubleshooting and repair. Micro-Scope or Microscope PostProbe and training A+ certification courses.

Monitors fan speeds, temperatures and voltages. It can access S.M.A.R.T. information and change fan speeds based on system temperatures, thus reducing noise and power consumption.

Publisher of the DisplayMate utilities for testing, evaluating and improving image and picture quality for CRTs, analog and digital LCD monitors, video projectors, HDTVs, televisions, plasma displays and micro displays.

Company develops innovative problem-solving software for pinpointing computer problems.

Offers free software download to scan a PC for errors. PC Bug Doctor will fix all types of windows errors.

Hardware benchmark utility to assesses computer performance.

Offers PC diagnostic toolkits and complete solution suite application Micro-Scope and Burn-In and RemoteScope for networking administration solutions.

Archive and news site for benchmark and sysinfo software.

DocMemory PC Memory Diagnostic is a stand alone program. CST Inc also makes hardware memory testing systems.

Specializes in SCSI, iSCSI, Fibre Channel, SATA, SAS, and related diagnostics and testing.