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Simgua is a powerful modeling tool similar to VenSim, PowerSim or STELLA that can solve complex simulation problems with surprising ease. Simgua's foundation is an intuitive flow and stock principle. Stocks - or reservoirs - of some material are connected by a series of flows. The stocks can contain any material - water, air, dollars, or even chickens - and the quantity of the flows are specified by the user using mathematical equations or formulas. This seemingly simple base can be used to model incredibly complex systems including the following:

Environmental Models:

  • Water and Wastewater Treatment
  • Air Treatment
  • more...

What's New

  • Ability to adjust model parameters and flows during a simulation
  • Ability to restrict stocks to only positive values
  • Improved method of entering units in equations (e.g. "{4 Meters}")
  • Additional minor feature enhancements and stability improvements


  • Mac OS X 10.4 or later
  • Apple\'s free X11 application must also be installed.

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5 2


Current Version (3.x)


Downloads 6,308
Version Downloads 1,012
License Shareware
Date 28 Aug 2010
Platform OS X / PPC 32 / Intel 32
Price $64.00
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