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OpenSIMPLY Free open source simulation software
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Free software for simulation and modeling

OpenSIMPLY is free software that allows users to run, study, modify, and share simulation software freely.

Source code files of OpenSIMPLY modules, examples, and tutorials are licensed under GNU General Public License (GPLv3), and documentation is distributed under GNU Free Documentation License (FDLv1.3).

Third-party components, such as binary executables, runtime libraries, or shared libraries, follow their own End User License Agreements.
Every user of free software should have the following freedoms:

  • the freedom to run the software for any purpose,
  • the freedom to study and modify the software to meet their needs,
  • the freedom to redistribute copies of the software, and
  • the freedom to distribute modified versions.

Free software is about freedom, not price: users are free to use, study, modify, and share software, including the right to redistribute it at no cost.

OpenSIMPLY also follows open-source principles, giving full access to source code for study and modification.