 It uses the Linux kernel, so the Linux Foundation and Chris DiBona, Google's open source chief, agree that Android is a Linux distribution; others, such as Google engineer Patrick Brady, disagree by noting the lack of support for many GNU tools in Android, including glibc.Other non-GNU distributions include Cyanogenmod, its fork LineageOS, Android-x86 and recently Tizen and Mer/Sailfish OS.The Free Standards Group is an organization formed by major software and hardware vendors that aims to improve interoperability between different distributions.