HelpNDoc is available completely free for personal use and evaluation purposes: you can use the full version of HelpNDoc for as long as you want. All the features are available and enabled, there are no hidden fees or registration process and it doesn't contain any virus, spyware or malware of any kind. The only restriction is that the Personal Edition of HelpNDoc or its generated files can't be used for profit: only personal non-lucrative work and evaluation purposes are permitted by the license.
A discreet banner is added in the generated documentation to remind that it has been created by the Personal Edition of HelpNDoc