Hermetic Software

This website has Windows software for word and phrase counting,
solar and lunar calendar conversion, and more.
Also there are many articles about calendars, actual and invented.

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

This website also has nearly 50 articles about calendars by many calendar scholars. For these see Calendars Old and New.