STKX - Free and open source solution which includes STKXman, STKXcron, and STKXoptimizer
Version: 2.5STKX (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.
Operating System: Mac OS X
The STKX package will install STKXman, STKXcron, and STKXoptimizer. Also STKX includes the CLI tool openman together with its manpage.