C-Cube

be able to put the due date 0, 15 or 30 days (or the number of days you want) in the billing preferences so that the due date is filled in automatically when the invoice is created

Section subtotals and totals in an invoice and submittal grouped together to always be on the same page. (including subtotal, taxes, total, etc.)

Add a default credit note format in invoice printing format

Assign invoice to a project when it was created in a client instead of the project.

be able to put several tax groups to invoice without taxes or with different rates.

Remove a repetition of the summary word on billing in PDF printing. See attached image

In the Invoice section add a filter for the total amount of the invoice. Thus it will be possible to search for an invoice by the amount of the customer's payment.

added a quick link to download the invoices and the quote in pdf format and see the delivery date in the menu. thank you

When I put a project in the closed status, have an automation like: if there is an invoice still in draft status receive a popup asking if I want to send the invoice.