SubTotal 1.3.6 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The program relates to Business Tools. This free Mac application was originally produced by T. Partl. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
SubTotal is a tool for small business owners to quickly create PDF invoices. The application helps you quickly create PDF invoices, quotes or estimates and send them to your clients. You can keep track of the invoices and mark them as paid once you get paid. The utility lets you personalize your PDF invoices with your company logo, color, and font.
You may want to check out more software for Mac, such as Stock Calculator, which might be similar to SubTotal.