Simple and elegant invoicing solution
Fast, privacy-focused personal finance app
The free and Open Source productivity suite
Personal finance transaction tracker similar to the obsolete MS Money
C++ library for creating XLSX files for MS Excel 2007 and above.
CSV Editor with Text-based User Interface (TUI) written in Pure Go
Desktop and mobile solution for invoicing
A web-based JavaScript (canvas) spreadsheet
A super simple way to create & send invoices, receive payments online
The Open Source Invoice Management Software