AWS Serverless Application Command Line Interface allows you build Serverless Apps with SAM init Command

The Amazon Web Service SAM Command Line Interface also knows as SAM local allows you to create, test and debug a serverless application which is defined by the AWS SAM templates. You can now use the Serverless application model init command to start a ready-to-deploy SAM application at any preferred runtime. The new Serverless Application Model init command build application with sample code, SAM template and unit test. This enables you to initialize the SAM application utilizing a custom structure so that you can standardize them on organization or teams.