CloudHealth - CloudHealth is IT service management for the cloud, enabling policy driven cost, utilization, performance and security optimization.
Amazon CloudWatch - Amazon CloudWatch is a monitoring service for AWS cloud resources and the applications you run on AWS.
CloudCheckr - CloudCheckr provides security, cost and usage reporting and analytics to help users manage their AWS deployment.
Google StackDriver - Stackdriver provides monitoring services for cloud-powered applications.
AWS Config - Cloud Monitoring
AWS Cost Explorer - Cloud Cost Management