These programs run on all versions of Windows (and on Macs with a Windows emulator). The trial versions (which are free to download and install) can be made fully-functional by means of an activation key. For each program shown below (e.g., Celtic Festivals and Cross Quarter Dates), clicking on the Purchase a user license button takes you to the purchase page. Currently a user license for a program costs $19.95 (or for just $10 or more by donation).
Hermetic Word Frequency Counter ![]() |
Hermetic Word Frequency Counter Advanced ![]() |
Phrase Frequency Counter Advanced ![]() |
Search KWIC Concordance ![]() |
Cryptosystem ME6 ![]() |
Email Encryption End‑to‑End ![]() |
Prime Factors ![]() |
Data Destroyer ![]() |
In case you were wondering, the "ch" in "hermetic.ch" is short for "Confederation Helvetica", that is, "Switzerland".