About Open Invoice

Open Invoice is an invoice management application aiming to simplify the invoicing process for freelancers. With fully customizable templates in HTML and TeX formats. it allows you to brand your invoices the way you want it.

It uses the common vocabulary defined by the Universal Business Language (UBL) and provides a Java API.

Key Features

  • Reporting

    The reporting feature enables you to query the Open Invoice database and generate detailed reports in various formats.

    See Sample report in PDF, CSV and HTML formats.

  • Template Customization

    With fully customizable templates, Open Invoice allow you to build your brand the way you want it.

    See sample invoice in PDF and HTML formats.

  • Multi Language Support

    The multi-language feature let you render the invoice content in the language of your choice.

    See sample French invoice in PDF format.