CloudHealth - CloudHealth is IT service management for the cloud, enabling policy driven cost, utilization, performance and security optimization.
Azure Cost Management - Monitor, allocate, and optimize cloud costs with transparency, accuracy, and efficiency using Azure Cost Management.
CloudCheckr - CloudCheckr provides security, cost and usage reporting and analytics to help users manage their AWS deployment.
Amazon CloudWatch - Amazon CloudWatch is a monitoring service for AWS cloud resources and the applications you run on AWS.
AWS Budgets - Cloud Cost Management
AWS Cost Explorer - Cloud Cost Management