Harry Whitfield
DMXdeCoder
FreeEffortless DMX512 Channel Conversion Widget
WindowsNetCalc - an RF Impedance Calculator
FreeEstablish radio frequency network design ideas.
WindowsPixel Scale
FreePixel Scale Delivers Versatile Desktop Rulings and Area Measurement
WindowsDMXconverter
FreeDMXconverter: Simplify Your DMX Channel Calculations
WindowsDrawDemo
FreeUse a free-form drawing tool with various features.
WindowsPlanimeter
FreeMeasure Areas of Closed Curves Accurately
WindowsSunrise Calculator
FreeDesktop Calculator for Sun and Moon Times
WindowsPlanimeter II
FreePlanimeter II: Accurate On-Screen Area Measurement Widget
Windows