MultiBootUSB is released under General Public Licence (GPL). Anybody can use, modify and redistribute if they wish. It is also build using the best of open source softwares from the world. Be it Python or Syslinux you get the best. Source code is always available to users to view.
GUI toolkit for MultiBootUSB has been carefully chosen as PyQt. PyQt is a Qt binding for python. MultiBootUSB make use of QtDesigner, a GUI form designer, for user interface so that we can code more. Qt is one of the most widely used GUI toolkit available in the filed today and looks native in all platform.
Syslinux is used as default boot loader for making your USB bootable. The selection of boot loader is carefully chosen as many distros uses isolinux or syslinux in their ISOs. MultiBootUSB ships with different verion of syslinux to reduce incompatibility and install exact distro specif syslinux.