Together Workflow Editor is available as an Open Source as the Enhydra JaWE (Java Workflow Editor) project under the GPL license.
Enhydra JaWE (http://jawe.enhydra.org) is an open source (http://www.opensource.org) project hosted by ObjectWeb (http://www.objectweb.org) , a worldwide consortium for open source middleware, with the goal to deliver a production quality tool for graphical creation and viewing of WfMC XPDL process definitions. It results from real world projects in which the painful task of writing XML with general purpose XML editors had to be done again and again. This project is developed mainly by employees of Together Teamlösungen EDV-Dienstleistungen GmbH. (http://www.together.at) respectively its subsidiary in Serbia but also contains lots of input and improvements from the many users worldwide. Enhydra JaWE has a rapidly growing community and is also integrated in other open source projects like Enhydra Server, Enhydra Enterprise (http://enhydra.objectweb.org) - a professional Java and J2EE application server and Enhydra Shark (http://shark.enhydra.org) - the most flexible Open Source WfMC XPDL workflow engine available. Its use is "Free as in Freedom" (http://www.gnu.org/philosophy/philosophy.html) and licensed under the GNU (http://www.gnu.org) LGPL license (http://www.gnu.org/copyleft/lesser.html) defined by the Free Software Foundation FSF (http://www.gnu.org/fsf/fsf.html).