The gateway is an opensource JavaEE application developed by the Vermont Dept of Taxes. It provides a web services framework for accepting Streamlined Sales Tax registrations and returns. It also includes a web interface for submitting transmissions.
A SOAP client C# GUI to perform U.S. Federal personal income tax estimates using the RushTaxOS taxEngine. Versions will be provided for desktop (Microsoft Windows XP & Vista), web-based (Internet Explorer), and mobile devices (Microsoft Windows Mobile).