GOWProp calculates gas, oil and water PVT properties based on user selected method: - Gases: Natural Gas, Air and Nitrogen; - Liquids: Oil, Water, Methanol, MEG, DEG and TEG; Gas properties include: Density, Compressibility, Z-factor, Viscosity,Isentropic coefficient, etc. Liquid properties include: Density, Compressibility, Bubble point pressure (oil), Viscosity, Solution Gas-Liquid ratio (oil and water), Specific heat, etc.

Exfilt
Quickly and easily design or analyze stormwater detention ponds and below grade systems for exfiltration/infiltration. Design stormwater systems to meet exfiltration volume drawdown time criteria.

BeamBoy
BeamBoy is a free engineering utility for calculating stress and deflection of structural beams under load. May also be used for shafts. BeamBoy is menu-driven and intuitive.

ComfortAir HVAC Software
ComfortAir HVAC software is designed to be used by engineers, architects, contractors and energy auditors for calculating and analysing heating and air conditioning hourly loads in commercial buildings. Units can be set to English or Metric.

Turbine
Calculate turbine steam consumption and exhaust steam conditions. Built-in steam properties. Wide variety of units of measure included.

DataFit
DataFit is a tool for performing curve fitting, statistical analysis & data plotting. Fit equations with up to 100 parameters to data with up to 20 independent variables. Define your own equations or choose from over 600 pre-defined equations.