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Discrete-event simulation in Delphi

Simulation modeling is an effective method to receive the results that cannot be obtained by other means.

Simulation and modeling in Delphi is easy and very convenient to implement using discrete-event simulation software. OpenSIMPLY makes it easy to create a discrete-event simulation model in just a few lines using the Object Pascal programming language.

OpenSIMPLY is free and open source software for modeling and simulation both in the Delphi IDE environment and and only using the Delphi compiler.


All components of the project may be freely used for non-commercial purposes, both for personal and public purposes, in accordance with the end user license agreement.

The OpenSIMPLY setup can prepare the sources to be used with Delphi Help Insight (pop-up help).

Detailed documentation in html and chm format is available for use in your preferred viewer.

The OpenSIMPLY tutorial contains the executable examples with detailed description, and can be used without OpenSIMPLY installation.


The components of OpenSIMPLY are flexible and expandable for any purposes of simulation modeling.

With the high simulation performance of the OpenSIMPLY, models can be excuted so fast that you can get a large number of simulation runs in a short amount of time.

The project as a science software can be successfully used both in scientific research and in education.