Google App Engine SDK

Google App Engine enables developers to build web applications on the same scalable systems that power our own applications. No Assembly required. Google App Engine exposes a fully-integrated development environment. It`s easy to scale. Google App Engine makes it easy to design scalable applications that grow from one to millions of users without infrastructure headaches. It`s free to get started. Every Google App Engine application gets enough free resources to serve approximately 5 million monthly PaGE views.