Automotive Business Management System (ABMS) 
Software designed for the automotive repair industry. ABMS is a powerful, inexpensive, very easy to use program that gives the shop owner all the functionality he or she needs to effectively run a small to large automotive repair centre. (Windows compliant)
http://www.lankar.com/Car Salesperson's Assistant
Windows software package that will help on follow ups on customers and prospects, set goals, schedule appointments and maintain inventory.
http://carsalesassistant.com/
Compression Quick
Calculates engine compression ratio, using heads, gasket and engine block combinations. (Windows compliant)
http://members.aol.com/creid125/Comp.htm
Automotive Wolf - Car Maintenance Software
Car Care center software designed for the average automotive owner. Easily keep detailed maintenance and repair records. Diagnose automotive problems.
http://www.lonewolf-software.com/
Carley Automotive Software
Quick reference software on automotive subjects engine sensors, emission controls, brakes, alignment and others. Included is a large library of technical articles. [Windows/DOS]
http://www.aa1car.com/carleyware/
