The program interface, despite its slightly antiquated look, is very efficient. It works via tabs that let you quickly select what section you want to work with (calendar, projects, tasks, activities...)
All your projects can be exported to Excel or directly printed, so you can take your info with you at all times.
Golden Rules Organizer is a moderately useful tool that has a lot of options and is very comprehensive, but does require a good tutorial if you want to learn to handle it properly.
You must have Java 6.0 or higher installed.