STKXoptimizer 2.5 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The following version: 2.5 is the most frequently downloaded one by the program users. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. The actual developer of this free Mac application is Rich Simpson.
From the developer:
STKX - Free and open source solution which includes STKXman, STKXcron, and STKXoptimizer
The STKX package will install STKXman, STKXcron, and STKXoptimizer. Also STKX includes the CLI tool openman together with its manpage. Program is compatible will all mac osx versions