There was a download of OptiY 4.0 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software. OptiY lies within Education Tools, more precisely Science Tools. The following version: 4.0 is the most frequently downloaded one by the program users. The default filename for the program's installer is OptiY.exe. The actual developer of the program is OptiY e.K.
From the developer:
OptiY is an open and multidisciplinary design environment providing most modern optimization strategies and state of the art probabilistic algorithms for uncertainty, reliability, robustness, sensitivity analysis, data-mining and meta-modeling. The simulation model can be considered as black box with inputs and outputs. Within, it is an open platform for different kind of model classes.
You may want to check out more software, such as StatPlus 2007, GenScn or Illusionae, which might be similar to OptiY.