Google open-sourced their own Brazil, or at least parts of it: http://google-engtools.blogspot.ie/2011/08/build-in-cloud-how-build-system-works.html http://goo

Google open-sourced their own Brazil, or at least parts of it: http://google-engtools.blogspot.ie/2011/08/build-in-cloud-how-build-system-works.html http://google-engtools.blogspot.ie/2011/08/build-in-cloud-ho... http://www.quora.com/Does-Google-consider-releasing-its-build-infrastructure-Blaze-to-open-source http://www.quora.com/Does-Google-consider-releasing-its-buil... http://bazel.io/ http://bazel.io/