Although if anyone wants to run it, you could download it from the op and drop the file onto one of the emulators on https://infinitemac.org (they run directly in your browser, no download needed)

I used Clozure Common Lisp for the Tankan kanji learning program, which uses a browser interface to a service application, the latter being written in CCL.

I used MS Visual C++ to make the system notification are ("tray") icon program to control the service.

The licensing back-end runs on CLISP as a CGI interface, and the same server-side program also serves as an administrative command-line utility, where I can manipulate the the license database.