I built kcal[0] after a similar search. The focus is primarily on macros and ultimately I kind of lost steam on developing further (though we still use it to great success). A part of why lost interest is that I didn’t like PHP + Laravel as much as Python + Django.
Anyway I see you have the Famnom code on GH but apparently not with an OSS license. Are you planning to seek contributions with a friendly license in the future? If so I’d be interested.