Gregorian Software (Commercial)

Calendar for year overviews. Gregorian, Julian, Jewish, Islamic calendars.

Converts dates in various Western calendars and does date arithmetic

Software to find dates and times of lunar and solar eclipses and lunar phases

12 calendars, holidays and memorial days of many countries and religions.

Powerful score editor with audio recording/playback capabilities.

All-in-one software for composing, playing and printing music.

Calendars and holidays of many countries and religions, astronomical events.