Description: Invoice Ninja is an open-source invoicing, expenses, and time-tracking app designed for freelancers and small businesses. It allows you to create professional invoices, track payments and expenses, manage projects, and accept online payments.
Type: software
Pricing: Open Source
Description: Numbers is a spreadsheet app developed by Apple for macOS and iOS. It features calculation, graphing tools, and simple table creation. A good alternative is LibreOffice Calc which is free, open source software.
Type: software
Pricing: Open Source