In this paper we describe AutAT, an open source Eclipse plugin to better enable test driven development of web applications. AutAT lets non-technical people write acceptance tests (or functional tests) using a user-friendly graphical editor, and convert this visual representation of the tests into executable tests. Categories and Subject Descriptors D.2.5 [Software engineering]: Testing and Debugging – Testing tools. D.2.1 [Software engineering]: Requirements/Specifications – Elicitation methods, tools. D.2.9 [Software engineering]: Management – Life cycle, Software configuration management, Software quality assurance. General Terms Management, Documentation, Verification. Keywords Automatic acceptance test, web application, test driven development, change control.