Our programs are all hand‑crafted for functionality and ease‑of‑use. They run with all versions of Windows, and on Macs with an emulator. All of them are free to download (as trial versions).
Click on a program title (e.g., "Hermetic Word Frequency Counter") for purchasing and other information, or click on a thumbnail image for full‑size (then click the back arrow in your browser to return to this page).
Hermetic Word Frequency Counter
Hermetic Word Frequency Counter Advanced
Phrase Frequency Counter Advanced
Search KWIC Concordance
Julian‑Gregorian‑Dee Date Calculator
Lunar Calendars and Eclipse Finder
Easy Date Converter
Celtic Festivals and Cross Quarter Days
Eclipses, Moon Phases and Seasons
Equinoxes, Solstices and Cross‑Quarter Days
Five Cellular Automata
You can purchase by using credit/debit card, amazon pay, bitcoin, bitcoin cash or ethereum.
Hermetic Systems has been publishing software continuously since year 2000. This page last modified April 26, 2021.