Windows software for word and phrase counting, file and email encryption,
secure file deletion, calendar date conversion and more

Hermetic Systems publishes twenty items of Windows software in diverse fields — those above plus keywords meta tag generation, graphics file conversion, the study of prime numbers and more. This website also has articles about calendars, cryptography and other topics. Titles of our programs are shown below (click on any for a description).

Word and Phrase Counting Hermetic Word Frequency Counter Hermetic Word Frequency Counter Advanced Version
Security Software:
Encryption, Deletion
and Backup
Cryptosystem ME6 Email Encryption
Stego PNG
Backup Modified Files Data Destroyer Recycle Bin Wiper
Date Conversion
and other
Calendar Software
Lunar Calendars and
Eclipse Finder
Chinese Calendrics Julian-Gregorian-Dee
Date Calculator
Easy Date Converter Equinoxes, Solstices and Cross-Quarter Days
Website Tools Keywords Meta Tag Generator Keywords Meta Tag Generator Advanced Version
HTML Table Creator Tool Easy Graphics File Converter
Mathematical Software Factorizer Prime Number Spiral Five Cellular Automata

Our software is categorized according to the buttons at top left. Click on any button to get further information about programs in that category, or click on a title in the table above to go directly to the product description page.

These programs run under all Western versions of Windows from Windows XP to Windows 8 (they can also be run on Macs which can run Windows). All are completely virus-free (as attested by VirusTotal). The free trial versions can be made fully-functional by means of an activation key after purchase of a user license. The key can be sent immediately upon purchase (or can be obtained immediately after purchase), so there's no waiting required. For some programs you can purchase either a 3-month license, a 1-year license or a perpetual license (and site licenses are available for some). Updates to new versions are free.

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I do believe that Hermetic Systems is the GOLD Standard in customer service and performance!Denise Ventura, January 16, 2008

Website contents © Hermetic Systems 2015