This softare is forked from repeiter host which is licensed under Apache License Version 2.0, January 2004 http://www.apache.org/licenses/
https://github.com/repetier/Repetier-Host
The source code remains under the Apache 2.0 License. The software has been farther developed by Anthony Garland working for Baoyan Automation. Anthony Garland and Clemson University retain an unlimited worldwide license to the software source code as well.
The binaries that the software uses include other open souce software such as slic3r and skeinforge. These are seperate binaries that are called by this software but not directly integrated. Slic3r and skeinforge operate under their own licenses which may be seperate from the Apache 2.0.