There was a download of OptionMatrix 1.4.3 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The following versions: 1.4 and 1.1 are the most frequently downloaded ones by the program users.
We recommend checking the downloaded files with any free antivirus. The program's installer file is commonly found as optionmatrix.exe. The actual developer of the free program is opensourcefinancialmodels.com. The software relates to Education Tools.
From the developer:
A real-time generalized financial derivatives calculator supporting over 86 theoretical models from open source libraries. Matrices of prices are created with iterating strikes and/or months. A strike control system can produce almost any strike. A generalized date engine can calculate re-occuring distances to any industry used expiration into the future. Timing is accurate to one second and pricing is re-calculated every second.
You may want to check out more software, such as QPlot, GenealogyJ or Illusionae, which might be similar to OptionMatrix.