Hermetic Systems

Windows software for word and phrase counting, file & email encryption, file backup & wiping, calendar date conversion and more.

These Windows desktop programs are hand-crafted for functionality and ease‑of‑use. For full descriptions click on the program titles.

To purchase a perpetual user license click on a PayPal or Digital River button. To purchase a time‑limited user license (3 months or 1 year) click on the program title to go to the product page and follow the 'Purchase' link. If you wish to pay using a cryptocurrency then please contact us.


Hermetic Word Frequency Counter 19.5
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US$29.95, €25.75 or £22.45 

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This software scans a text file, a HTML file, an XML file or a Word DOCX file and counts the frequencies of different words. The words which are found and displayed can be ordered alphabetically or by frequency. There is no limit on the size of an input text file. Results can be written to a file and can be read into Excel for further processing.
 

Hermetic Word Frequency Counter Advanced 30.3
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US$59.95, €51.25 or £44.95 

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Scans one or more MS Word DOCX, text or text-like files (e.g. HTML and XML files) and counts the number of occurrences of different words or phrases (optionally with pattern matching). The words/phrases can be displayed alphabetically or by frequency. Works with text in most European languages. Optional file output for Excel.
 

Phrase Frequency Counter Advanced 10.3
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US$39.95, €34.25 or £29.95 

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Scans one or more MS Word DOCX, text or text-like files (e.g. HTML and XML files) and counts the number of occurrences of different phrases (of a user-specified size). The phrases found can be displayed alphabetically or by frequency, and can be searched. Works with text in most European languages. Optional file output for Excel.
 

Search KWIC Concordance 21.3
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US$39.95, €34.25 or £29.95 

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A program to scan a text file, an HTML file or an MS Word docx file, ignoring common words, to generate a KWIC (keywords-in-context) concordance (displaying all words in context). This can then be searched for words or word patterns.
 

Cryptosystem ME6 12.4
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US$39.95, €34.25 or £29.95 

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A program for the encryption and decryption of single or multiple files for secure storage or transmission. It uses a symmetric key encryption method with a 500-bit key for security, and has numerous safeguards against user error.
 

Data Destroyer 17.0
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US$26.95, €22.95 or £19.95 

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A program for secure file deletion which overwrites data in specified files so that the data cannot be recovered by any means. A single file can be purged or, in batch mode, multiple files. Selected subfolders of a folder can be purged. The user can specify the type of purge. Purge speed can be tested for an estimation of time required. Can wipe files older than a specified date.
 

Chinese Calendrics 16.1
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US$39.95, €34.25 or £29.95 

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A program to convert between dates in various Chinese calendars and dates in the Gregorian and Julian calendars, and to find (among other things) lunar new year's day and leap months for any year in the Chinese Calendar.
 

Hermetic MultiFile Search 9.6
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US$29.75, €25.45 or £22.25 

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This software is for indexing docx files, text files, HTML files, XML files or files of a similar type in multiple folders and their subfolders to allow subsequent rapid searching of those files.
 

Email Encryption End‑to‑End 14.1
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US$29.95, €26.25 or £22.95 

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A program to encrypt a message to send by email, and to decrypt encrypted messages received. Using this program ensures that email is encrypted before it is transmitted to your mail server and remains encrypted until after downloading by the recipient. Bilingual: English and German.
 

Easy Date Converter 12.2
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US$19.95, €16.95 or £14.95 

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Adds a number of days or months to a date, calculates the number of days between two dates (with or without weekend days), and converts among Common Era (Gregorian) dates, Julian dates, ISO 8601 Week dates, Hermetic Leap Week dates, Julian day numbers and day-in-year dates of the form yyyy-ddd. Bilingual: English and German
 

Viewport and Keywords Meta Tag Generator 14.2
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US$19.75, €16.95 or £14.75 

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This acts on an HTML document, counting the number of occurrences of words and how they are used, and produces an appropriate keywords meta tag. It inserts this, and optionally a viewport meta tag also, into the document. It can process multiple documents in a folder and its subfolders, both manually and automatically
 

Julian‑Gregorian‑Dee Date Calculator 7.4
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US$18.95, €16.25 or £14.25 

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Converts between Julian, Gregorian, Dee and Dee-Cecil calendar dates in various formats, adds/subtracts a number of days, weeks, months and years to/from a given date, and calculates northern spring equinoxes using either mean or apparent solar time.
 

File Backup Lite 16.3
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US$18.75, €15.95 or £13.95 

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Software to back up selected files and folders (and their subfolders). All files, or just new and modified (within a given time period), are backed up. Backup operations can be saved in setup files for re-use.
 

Link Checker for Local Files 11.5
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US$18.45, €15.75 or £13.75 

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A program for searching for broken links in HTML files in a local folder and its subfolders. These files may constitute either the local copy of an online website, the contents of a CD-ROM, or an in-house intranet.
 

Lunar Calendars and Eclipse Finder 15.6
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US$14.95, €12.75 or £11.25 

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A program to search for eclipses (lunar, solar, total, annular and partial), to calculate the phase of the Moon at any given date and time and to convert between dates in the Gregorian and Julian calendars and dates in various lunar calendars: Meyer-Palmen Solilunar, Hermetic Lunar Week, etc.
 

Equinoxes, Solstices and Cross‑Quarter Days 5.4
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US$14.95, €12.75 or £11.25 

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Software to calculate accurate dates and times for equinoxes, solstices and the Celtic cross-quarter days. The cross-quarter days are those midway between the equinoxes and solstices. Works for both the northern hemisphere and the southern.
 

These programs run under all versions of Windows from Windows 98 to Windows 10. The software (after download) can be made fully-functional by means of an activation key sent by email after purchase of a user license. Updates to new versions (if any) are free, as is tech support for the duration of the user license.

If you wish to use any of these programs in a particular application, but need assistance, then the developer of these programs may be hired to do the job.  He is also currently available for custom software development at an affordable rate.  If interested please leave a message here.

Multiple Purchase

Paying via Paypal, you can purchase perpetual user licenses for any 2, 3 or 4 of our programs, and get a discount of 20% — but only until June 30, 2018.  To do so, first select the desired programs:

Chinese Calendrics (CHCAL)
Cryptosystem ME6 (ME6E)
Data Destroyer (DD)
Easy Date Converter (EDC)
Email Encryption End-to-End (EEE)
Equinoxes, Solstices and Cross-Quarter Days (EQSOL)
Factorizer (FACT)
File Backup Lite (FBL)
Hermetic MultiFile Search (HMFS)
Hermetic Word Frequency Counter (WFC)
Hermetic Word Frequency Counter Advanced (WFCA)
Julian-Gregorian-Dee Date Calculator (JGDC)
Lunar Calendars and Eclipse Finder (LCEF)
Link Checker for Local Files (LCL)
Phrase Frequency Counter Advanced (PFCA)
Search KWIC Concordance (SKC)
Viewport and Keywords Meta Tag Generator (VPKW)

At least two programs
must be selected
to obtain a discount.


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