Free download

Simulation modeling software

The OpenSIMPLY package is a zip-archive common for Windows and Linux, for 32-bit and 64-bit platforms.

Download latest stable version OpenSIMPLY 2.5.0.

If the download fails, send a message.

Learn about the OpenSIMPLY installation. OpenSIMPLY is a free software.

Executable sumulation demos

The demo collection was recently extended.


The OpenSIMPLY practical demos are full functional simulation models already compiled into executable binaries.

Every demo model was built as a single file and requires no installation of OpenSIMPLY and Corouty library.


The demo models represent the examples of Queueing Theory and call centers of a different complexity.

Statistics and main call center metrics can be obtained after simulation.

So, these demos are useful both for study and for practice.


The demo package is a zip-archive for the corresponding OS, containing the binaries for 32- and 64-bit platforms.

Download the demo package for Windows and Linux.

If the download fails, send a message.

Demo collection is constantly extended. Don't miss news, subscribe: Facebook, Twitter.

OpenSIMPLY setup screenshot

OpenSIMPLY installation

Unpack the archive OpenSIMPLY_xxx.zip with the directory structure to the preferred location.

Show package structure

On Windows

  • Go to the subdirectory "bin/windows".
  • Launch the file "simply-setup.exe".

On Linux

  • Go to the subdirectory "bin/linux".
  • Make the file "simply-setup.sh" executable: chmod +x simply-setup.sh
  • Launch it: ./simply-setup.sh
  • Learn more in the file "linux_users.txt".


After installation

Launch the projects with the learning examples from the subdirectory "tutorial".

Watch learning videos on OpenSIMPLY installing.

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OpenSIMPLY components

OpenSIMPLY consists of components that can be used seperately.


OpenSIMPLY Memory Manager

Starting with version 2.1.9, the OpenSIMPLY package contains a Simply Memory Manager.
It replaces the Free Pascal native memory manager on Windows. Lazarus friendly.

Free download Simply Memory Manager 1.62.