These are Amazon CloudFormation Templates (CFT) that deploy Neo4j Enterprise on AWS. They set up Neo4j Graph Database, Graph Data Science and Bloom.
- simple is probably the best place to start. It's a simple CFT template that is a good starting point for CLI deployments or customization.
- marketplace is the template used in the Neo4j AWS Marketplace listing. It's easiest to deploy that template directly from the AWS Marketplace here.