We've kept the license for Mif2Go very simple. This is the whole thing:
License for Standard version of DCL Mif2Go filter to run under Windows NT/9x/ME/2K/XP/Vista/7/8:
You are granted an unlimited, royalty-free nonexclusive license to use (but not to resell or redistribute) the subject software in perpetuity. You may make whatever number of copies are required for convenient use and for archiving and backup purposes.