Microsoft's 'Project Spark' game creation tool will be completely free
 

Microsoft's Project Spark game creation tool has embraced the free-to-play model for a while, but that has still meant paying a fair chunk of change to build the experience you really want. However, even that cost is going away soon. As of an Oct...

http://www.engadget.com/2015/09/28/m...mpletely-free/