CCPlus

CC+ is CC license + Another agreement.

Summary

Creative Commons has solved this with Creative Commons licensing. Creative Commons has this one locked down.

CC+ Technical Document (PDF) explaining how to add CC+ functionality to your site.

To restrict commercial use with a CC license with NC condition, and then use a separate agreement with some party (could be yourself or third-party) to broker commercial rights (licensing, sales, reproduction, etc).
To implement some type of Street Performer Protocol system to put works to the public domain or into another license, preferably more free and in the community interest.