Hermetic Systems

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

The software described on this website runs on Windows desktops and laptops (including Win11) and also on Macs with an emulator. For each program below, clicking on the title takes you to a page with a screenshot, a short description of what it does and what it is for, and a link to the user manual.

Please see the User License Terms.

Peter J. Meyer is the author of this software and website. He welcomes comments, which may be sent to support@hermetic.ch

These programs are written in Visual Basic (plus some C). The source code for porting them to non-English language versions will be supplied to other software companies under certain conditions, for which contact the author.

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

Here is the Index. And see also the author's other Hermetic Systems website.