An effort towards porting Linux and related open source operating systems to the Xbox 360. Another goal is to write homebrew applications with a legal and free Software Development Kit consisting of the Library (LibXenon) and the appropriate cross-compiler toolchain (Xenon-Toolchain).
You can get informations and Source-Code on the following Pages:
Wiki: http://www.free60.org
Forum: http://www.libxenon.org
Source Code: https://github.com/Free60Project