ManOpen Alternatives, Similar

ManOpen is a MacOS X GUI application for viewing Unix manual pages, which are the standard documentation for Unix command line programs, programmer libraries, and other system information. It can open files directly or be given titles, in which case it will display the output from the `man' command-line program. An apropos interface is also provided, which is basically a quick-and-dirty search of the man page databases. Services are provided to other applications to open selected files/titles or do apropos searches using the selected text.