Download of STKXcron 2.5 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The application lies within Developer Tools, more precisely Help. The most popular version of STKXcron for Mac is 2.5. We recommend checking the downloaded files with any free antivirus. This free Mac app is an intellectual property of RichCreations.
From the developer:
STKX - Free and open source solution which includes STKXman, STKXcron, and STKXoptimizer.
System Tool Kit X, is a graphical interface for Mac OSX, that provides GUI controls for various command line tools, some of which are:fsck, ipfw, top, ps, chown, chmod, cron, man and more.
You may want to check out more Mac applications, such as STKXoptimizer, which might be similar to STKXcron.