Download of Ohneschwanzenegger 1.0 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. This free Mac app is an intellectual property of giantpune.
From the developer:
Ohneschwanzenegger is a program for creating, formatting, & writing to a nand.bin. It allows you to create a nand.bin on your Mac that you can then install with bootmii or a flash programmer. It accepts system WADs or can download titles and full updates from NUS.