App Engine Documentation Documentation Download and Install the SDK for App Engine The SDK for App Engine includes a local development server as well as the tooling for deploying and managing your applications in App Engine. Go Java PHP Python Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated February 22, 2017.