Cloudability - Cloudability lets you monitor, manage and communicate your cloud costs with one easy tool.
Cisco Data Center Network Manager - Cisco Data Center Network Manager offers network management system (NMS) support for traditional or multiple-tenant LAN and SAN fabrics.
CloudCheckr - CloudCheckr provides security, cost and usage reporting and analytics to help users manage their AWS deployment.
Cisco ACI - Application Centric Infrastructure (ACI) simplifies, optimizes, and accelerates the application deployment lifecycle in next-generation data centers and clouds.
AWS Cost Explorer - Cloud Cost Management
Opendcim - a free, web based Data Center Infrastructure Management application.