A web-based app to support the Geodesign workflow is in development and will take awhile before it is ready for release.
Geodesign Services Director at Esri Bill Miller sent the following message
“If you are interested in learning more about what we are doing, I will be demo-ing our app at the Esri User Conference in San Diego next week on Wednesday, Noon to 1:00pm, in Room 30E at the SDCC. This will be a limited “showing” to our users interested in geodesign. Here is a preview of the demo:
For those not familiar with Geodesign, the following blog post links to some videos from the 2013 Geodesign Summit and coverage for that event: