Portlock Leap Frog for Mac 5.13.0.2608 screenshot Portlock Leap Frog will assist you in creating a bootable Virtual Hard Disk (VHD) with your Mac OS X Snow Leopard machine. The VHD can be used as the running operating system on supported hardware without a virtual machine or hypervisor. Download Portlock Leap Frog for Mac 5.13.0.2608