Very little is done quietly in a giant multi-national corporation. Exceptionally high-profile firms like Google undergo even more scrutiny, making it somewhat unusual to discover they've been developing numerous projects — in the open, and Open Source-licensed — that are all but unknown. As odd as it may be, that is exactly the case at Google. A post yesterday from a Polish student/software developer lists several dozen such projects, few of which could be described as household names, even in the geekiest of homes.