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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 programming language is easy and very convenient to realize using free discrete event simulation software OpenSIMPLY.

The OpenSIMPLY is an open source runtime library for modeling and simulation in both the Delphi IDE and only using the Delphi compiler.


All project components are free to use as a non commercial software, private or pubic.

They can be used according to the terms of GNU General Public License GPLv3 and GNU Free Documentation License FDLv1.3.
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.

Simulating the model with OpenSIMPLY is so fast that you can get a large number of simulation runs in a reasonable time.

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