Android's system for public contribution looks good to me: http://source.android.com/source/submit-patches.html http://source.android.com/source/submit-patches.

Android's system for public contribution looks good to me: http://source.android.com/source/submit-patches.html http://source.android.com/source/submit-patches.html If you'll look at a few recent commits in the Android code-review system, you'll see quite a few non-Google email addresses: https://android-review.googlesource.com/ https://android-review.googlesource.com/