A number of productivity and financial planning spreadsheets are available in our old Calabra Data page on Gumroad.
See the spreadsheets here.
There is a personal wage tracker.
A tithe tracker.
A social media engagement calendar for webmasters and memelords.
and a few others.
These work in Excel, Google Sheets and Calc, but were created in Google Sheets, and there is no explicit requirement to have a software subscription to access the sheets.
Personal finance is an area where anyone at all could benefit from more planning and forethought put into spending, whether it be on entertainment, utilities, or transportation.
Also: Calabra Data/Morris Analytics and SEO and the site admin email is: