unitone said:

Android goes Open Source. The source code for Android has been released today. The Android source is approximately 2.1GB in size. 6GB free space is needed to complete the build. Linux (Ubuntu) or Mac OS (Intel/x86 machines) are the only options for building Android. Blogged: http://android-developers.blogspot.com/2008/10/android-is-now-open-source.html Source: http://source.android.com Project layout: http://source.android.com/projects