JavaHelp is Java native cross-platform help system that can be deployed with desktop and web applications.
Helpinator handles all project xml and html files creation but requires JDK and JavaHelp SDK to compile resulting .jar file.
To obtain JavaHelp SDK visit this page: http://javahelp.java.net/
Once you have JDK and JavaHelp SDK on your machine, select Main Menu->Tools->Options, “Compilers” tab and enter paths to BIN folders of both packages. Then you are redy to compile JavaHelp!