wxEphe is a wxWidgets application that displays Astronomical Ephemeris for The Sun, The Moon and solar system planets, given date and observer's location
It's still work in progress.
Download wxEphe v1.4 :
Source, autoconf and Eclipse based : tar.bz2
MS Win binary installer : exe
wxEphe , as a SourceForge project.
wxEphe , as a Freecode project.