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American Megatrends Inc. - - AMIDiag Suite is a PC diagnostic utility that offers a complete answer to system administrators, service technicians and end-users. The Suite includes both the Windows and DOS PC diagnostics programs. News, downloads, support, and product upgrades.

3B Software - - SANDRA Pro is benchmarking and diagnostic program. [Windows 95/98/ME/NT/2000/XP.

BCM Advanced Research - - System analysis utility that helps you diagnose problems on PCs running Microsoft's Windows operating systems. Also provides a native DOS diagnostic progra.

BelAsset - - PC hardware and software discovery in your web browser. Freeware and corporate licensed versions.

BenchmarkHQ - - Archive and news site for benchmark and sysinfo software.

busTRACE Technologies LLC - - A professional software bus analyzer that captures and analyzes I/O activity going on between your Windows PC(98, 98SE, Me, 2000, XP) and its storage class peripherals Supports IDE, ATAPI, ATA, Serial ATA, SCSI, USB, USB 2.0, 1394, Fibre Channel, and RAID.

CD/DVD Diagnostic - - CD-R Diagnostic tests, examines and recovers data from CD, CD-R, CD-RW, and DVD discs.

CDi Communications, Inc - - PC Sentry Check Kit includes program and board for troubleshooting dead PCs.

CDRoller - - CD media analysis tool and tester, complete analysis, diagnostic and test of file system and disk surface under Windows 95/98/ME/NT/2000/XP.

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

Data Depot Inc - - PC Clinic diagnostic program. Hardware tools also offered.

DisplayMate Technologies - - 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.

Eurosoft (UK) Ltd. - - Personal, corporate, and military PC diagnostics and data security solutions: PC Builder, QA+FE Service Centre, QA+WIN32, Pc-Check, ZeroData, Virtual Pc-Check, Virtual QA, CD-Check, PCI/ISA POST Board and other test accessories.

Everest - - Free diagnostics and benchmarking program running on Win32 platforms. Display information on the screen, print it, or save it to file in various formats like HTML, CSV or XML.

Expodata Systems - - Company provides quality diagnostic hardware and software for PC manufacturers, maintainers and IT departments. Products include the SIMCHECK memory tester for DIMMs and SIMMs and PCTESTPRO diagnostic kits.

Field Service Tools - - Software and hardware diagnostic and test tools for the field service professional. SCSI, Fibre Channel, IDE, and USB analyzers and testers.

HDD Temperature - - A disk utility that monitors the current temperature of hard drives to prevent data loss. Available in English and German.

Hot CPU Tester - - A burn-in stability tester to tests all components for intermittent errors.

Linux EDAC Project - - Project to extend Linux ECC support beyond /proc/ram to full error correcting.

MemMXtest - - A free (GPL) advanced memory tester that runs on any MMX PC.

Memtest86 - - Free memory test program for x86 (PC) computers. Stand-alone diagnostic program that fits on one bootable floppy. Linux and Windows versions available with source code.

Memtest86+ - - Free memory advanced diagnostic utility based on the original Memtest86.

Micro 2000 Inc. - - Software, hardware and training materials for PC diagnostics, troubleshooting and repair. Micro-Scope or Microscope PostProbe and training A+ certification courses.

Micro2000 Inc. - - Offers PC diagnostic toolkits and complete solution suite application Micro-Scope and Burn-In and RemoteScope for networking administration solutions.

Millennium Solutions - - Provides info on the micro2000 PC Diagnostics Software and Hardware and Computer Training courses. Learn to build, repair, maintain and diagnose problems with computer hardware.

Modem Doctor Diagnostics - - A tool for finding and correcting many common configuration and installation errors with modems and UARTs. MS-DOS and Windows versions available.

PassMark Performance Test - - Hardware benchmark utility to assesses computer performance.

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

PC Certify Diagnostic Software - - PC Certify Diagnostic Software provides advanced system and device configuration reporting, quick tests,diagnostic testing for Computer Repair Technician.

PC Diagnostic Utilities - - PC diagnostics and system information software, provides diagnostic software to OEM PC manufacturers and service support professionals.

#1-PC Diagnostics Company - - Developer of PC diagnostics tools. #1-TuffTEST runs automatically or can be scripted. #1-TuffTEST-Pro is menu-driven for complete and precise testing control. Both are operating system independent and self-booting. A free feature-limited version is also available.

PC-Doctor, Inc. - - Developer of PC diagnostics and system information software, provides diagnostic software to OEM PC manufacturers and service and support professionals.

RAMspeed - - Free open source cache and memory benchmark for UNIX-like and DOS\Windows systems.

Reseller - - for Micro 2000 and other diagnostic and data recovery product.

SANtools, Inc. - - Utility that monitors the disk hardware with the goal of identifying disks that have a strong possibility if crashing. Supporting, Windows NT/95/98/2K/ME (Intel-based) running SCSI, Fibre Channel, SSA, or IDE disk drives.

ScanCD - - ScanCD checks your CD for unreadable files.

SCSI Toolbox, LLC - - iSCSI, SCSI and Fibre Channel analyzers and test software.

Serial Port Monitor - - Professional application for RS232/422/485 COM ports monitoring. It monitors, displays, logs and analyzes all serial port activity in a system, tracks down problems in system or application configurations and processes.

Smith Micro Software - - CheckIt series of PC diagnostic programs.

SourceQuest Inc. - SourceUSB - - USB analyzer for USB firmware, hardware, and driver developers. Targets Windows platforms and USB 1.x and 2.0.

SpeedFan - - 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.

SuperMonitor - - Adontec offers a protocol monitor and serial protocol monitor software. The software also supports monitoring on Notebooks.

Sysinfo Lab - ASTRA32 - - Performs computer configuration analysis, and provides detailed information on computer hardware and its working modes. Includes product development history, mode screen displays, support links and product download page.

SysNucleus - USBTrace - - USB bus analyzer for Windows.

System Analyser - - Detects and provides information about all computer hardware. It also provides benchmarks of the processor, memory, hard disks, CD-ROM and the video adapter.

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

Test My Hardware - - System information and diagnostics utility that provides detailed information about hardware components.

TestLAB 2003 - - TestLAB 2003 is a system utility for Windows to analyze, benchmark, check and optimize your PC.

TestNext Software and Services B.V - - Forms2test is a performance test solution for predicting system behavior and performance of Oracle Forms applications. With forms2test you can obtain an accurate picture of end-to-end system performance and identify performance bottlenecks before go-live.

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

Ultra-X, Inc. - - Hardware and software tools for PC diagnostic and troubleshooting. Products include PHD, PCI, and QuickTech Pro.

Uniblue - WinTasks - - Diagnostic (tasks and memory) utility for Window.

USBlyzer - - Software USB protocol analyzer that decodes the USB device descriptors and captures and analyzes I/O requests for USB devices in real time.

Utility Software - - ModemChk makes it easy to check the results of your last connection, for reconfiguring your modem, comparing results, and checking line noise. Click the auto detect button or use the command line options to open and run an AT command of your choice.

Visual SCSI Explorer - - Testing of SCSI devices under Windows 2000. Visualization of SCSI host configuration. Manual and scripted (JScript, VBScript) command execution. Optimized for Medium Changer SCSI devices.

Windsor Technologies, Inc. - - Manufacturers of PC diagnostic software products for PCs. Products include PC-Technician, PC-Diagnosys and The PC Toolbox Newsletter.

Winstress - - PC software diagnostics tools and utilities.

x86 diagnostic tools - - Free or Open Source diagnostic tools for the x86 platform.

x86test - - bootable x86 CPU detection and reporting. Displays lots of information about processor including very accurate clock and FSB timings, cache configuration etc., open-source licens.

The Zen and Tao of Diagnostics - - Articles about diagnostics and embedded systems design.