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.

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.

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.

Free memory advanced diagnostic utility based on the original Memtest86.

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.

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

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.