Try InvoicePlane here before you install it on your own server. You can log in right away and use the application as a regular administrator or as a simple user.
To login as an administrator you will have to use: the username [email protected] and as a password demopassword. Instead to login as a guest user you can use as a username [email protected] and as a password demopassword.
InvoicePlane is a free software nonetheless we have several expenses.
Please donate to support us.