Note: General Purpose Personal Computers can be converted into specialized hardware control units.

Point-Of-Sale System - (Can interface with external POS hardware)

Cash Register (ver 7.1j) - Freeware - {unsetup}

SuperComputer Cluster - (Requires constructing special Parallel Port integration cables)

DOS Beowulf (ver 2.01) - Abandoned Freeware - {unsetup}
~ includes: UBASIC (ver 8.8F)
~~ ThinkPad Configuration for DOS (ver 4.44)

~~ [ThinkPad .zip]

Hardware Switch Controller - (Requires constructing a special hardware interface)

LPT Driver (ver 0.6) - Abandoned Freeware - {unsetup}
~ NCD (ver 1.0)

~ [NCD .zip]

Motor Controller - (Requires constructing a special hardware interface)

EME System (ver 4.2) - Abandoned Freeware - {unsetup}

Data AcQuisition and Real-Time Analysis Device - (Requires an A/D interface, such as a SoundBlaster)

Daqarta for DOS (ver 2.21) - Shareware made Abandoned Freeware - {unsetup}

Digital Oscilloscope Device - (Requires constructing a special hardware interface)

ScopeOnPC (ver 1.50) - Abandoned Freeware - {unsetup}

Automobile OBD-II Diagnostics Device - (Requires constructing a special hardware interface)

ScanTool (ver 1.13) - Abandoned Freeware - {unsetup}

Dedicated Bridge Router - (Requires one each of Differing Protocol NICs)

Packet Bridge (ver unknown) - Abandoned Freeware - {unsetup}

Dedicated NAT Router - (Requires one NIC and one Modem, or two NICs)

Internet Extender (ver 1.0b) - Abandoned Freeware - {unsetup}

Dedicated SLIP Router - (Requires at least two supported network interfaces)

PCroute (ver unknown) - Abandoned Freeware - {unsetup}