This will help guarantee the quality of the algorithms.
CDAY WX is now available in CVS. (Previously it was downloadable as a tarball.) There has been a little bit of activity in CVS since the last releases.
This data from the famous program is now free as in speech according to the GNU Free Documentation License. Download from files section.
With the immediate availabililty of the latest addition to the cday family, cdaywx 0.50, users can enjoy a graphical interface to the calendars and libraries.