GridMonger is a free tool which can be deployed in commercial and non-commercial environments, both for your own web sites, your free projects or your paid clients.  Its free use is granted provided its copyright comments are left intact. 

GridMonger's use license is single-use. If you are incorporating a GridMonger deployment into a commercial product that will be made available for sale or some other form of commercial distribution, contact us to negotiate a license to do so.