openPSTD
Please download the latest release of openPSTD from here:http://openpstd.org/releases/v1.1/openPSTD.zip
An older release without the GPU acceleration is available here:
http://openpstd.org/releases/v1.0.1/openPSTD.zip
The source code of openPSTD is hosted on Github:
https://github.com/openPSTD/openPSTD
openPSTD is licensed under the GPL open source license, because we think it is important for our users to have the freedom to use and adapt openPSTD freely in their academic and commercial projects. Furthermore, we believe in a collaboratively development model and we welcome contributions from other experts. Note that conditions apply if you wish to redistribute a modified version of openPSTD.