Astrolog32 uses Swiss Ephemeris. You may download the source code
from AstroDienst to create your own libraries, but here we
offer libraries in a ready to use format (it saves you time):
If you would like to check that your files were not corrupted
during downloading, click here to grab the MD5 file.
You can exchange ideas with Astrolog
developers in Astrolog List,
a discussion forum at Yahoo. You need to join in order to participate.