Cloud Custodian
Rules engine for cloud security, cost optimization, and governance
...The simple YAML DSL allows you to easily define rules to enable a well-managed cloud infrastructure, that's both secure and cost-optimized. It consolidates many of the ad-hoc scripts organizations have into a lightweight and flexible tool, with unified metrics and reporting. Custodian supports managing AWS, Azure, and GCP public cloud environments. Besides just providing reports of issues, Custodian can actively enforce the security policies you define. Setup off-hours to save you money, by turning-off resources when they're not being used. ...