Is this a time traveler PIM? Email client, database, outliner, dashboard, personal finance, perpetual license, desktop client. Nicely done!
Congrats on recovering the source. Ecco Pro and Lotus Agenda users were not so lucky. Users have binary patched a 20-year old .exe to extend Ecco Pro's functionality.
You should include TexNotes screenshots on the site for historical context.
Since you're already doing time travel, will this run on ReactOS (open-source Win32) or Wine on Linux and MacOS?