WoPeD is an open source Workflow Petri Net Designer. It is developed at the under the GNU Lesser General Public License (LGPL). WoPeD can be used for modelling, simulating and analyzing workflow process and resource descriptions using Workflow Nets, which are an extended class of Petri Nets introduced by Wil van der Aalst. Offering an easy to use graphical interface, it's main purpose lies in research and teaching. Finished specifications can be exported as images or in BEPEL among others formats.