eMachineShop 

Totally free professional Computer Aided Design (CAD) software allows users to design in 2D and 3D. Easy uncluttered interface yet powerful. This free CAD software not only lets you draw objects but you can actually have your parts made!
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eCLOCK 

eClock is wireless game or event clock that runs on a Windows 95/98/Me/2000/NT4.0/XP PC. It uses wireless RF technology to start and stop the clock. The RF transmitter has a working range of well over 150+ feet. eCLOCK can track up to 4 periods.
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PunchClock Pro 

PunchClock is an easy to use time clock software that records the employee working hours and generates payroll reports. Perfect for small and medium size companies.
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PunchClock 

PunchClock is an easy to use time clock software that records the employee working hours and generates payroll reports. Perfect for small and medium size companies.
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MITCalc - Shaft connection 

Geometric designs and strength checks of shaped connections of shafts with hubs (keys, splines). Application supports Imperial and Metric units, is based on ANSI, ISO, DIN BS, JIS standards and support many 2D CAD systems
shaft hub connection shaped connection keys splines design strength check ansi b17.1 ansi b17.2 ansi b92.1 ansi b92.2m iso r773 iso 14

MITCalc - Force shaft connection 

Geometric designs and strength checks of force couplings of shafts with hubs (Interference fit, clamping connection). Application supports Imperial and Metric units and is based on ANSI, ISO, DIN BS, JIS standards.
shaft hub connection force couplings interference fit clamping connection ansi b4.1 iso 286 din 7190