Following are powerful tools used for practice cloud to increase productivity and agility. 1. Kaavo’s product handles configuration changes to the cloud environment. It can also manage the infrastructure and application layers. 2. Zeus came up with Application Delivery Controller used to control traffic in web server. It also used to destroy and generate the additional instances in cloud whenever it's required. 3. Scalr is hosted on google used to triggered upsizing and downsizing based on traffic demands. CloudWatch for EC2 can serve as a central management console used by amazon web services.