Hermetic Systems

Windows software for word and phrase counting,
solar and lunar calendar conversion, and more

The software which can be downloaded from this website was designed to run on Windows desktops and laptops. For each program below, clicking on the title takes you to a page with a screenshot and a description of what the program does. This software is now freeware. Downloading of most programs has been temporarily disabled due to conversion to freeware. You can still read all the descriptions and user manuals.

The following programs have now been converted to freeware:
Date-Time Calculator
Celtic Festival Dates
Hermetic Word Frequency Counter
BCE-BC-AD-CE Converter

This website also has many articles about calendars; see Calendars New and Old.