There is none.. unless u make an applet out of the GPD.
These tools need so much drag/drop/... functinality that a pure web based (html) version is not doable, at least not if you want a good user experience.
i see. i think i need a talk with him...
There is another thread about a similar thing. What was eventually just needed there was editing certain paramaters for the decisions in the workflow. The process itself did not need to change.
For changing these kinds of parameters, a rules engine with parameters or simple table in the database would be good enough. Editing these is not to difficult if you just edit the parameters (not the more complex rules itself)