TL:DR; Combine multiple sights on different tracks.
Using the same standards of accuracy as published tables but with a catalogue extending beyond Barnard\'s Star; it can be used to combine multiple sights, a definative astronomical reference or simply to print daily Nautical Almanac pages.
Patent Bar Simulator - USPTO Registration Examination Practice Simulation Software. Nine Complete Actual Exams with Explanations updated to reflect the changes to the law and the rules brought about by the American Inventor's Protection Act of 1999.
Combine multiple sights on different tracks. Data available for 9999BC to 9999AD including a Star Atlas, twilights and eclipses. It will print conventional Nautical Almanac pages while the voyage plan is a sophisticated tool in its own right.
Astro-Mania is an educational game covering the Universe. It has eight levels and let's you choose what subject area you want to cover. Its great pictures and ease of use makes it not only educational but also fun.