The Kusto Emulator is a Docker Container encapsulating the Kusto Query Engine available locally in a Docker Container. The Kusto Emulator was designed to enable local development and automated testing and is a free offering under the following license terms.
Automated testing can be done using the Kusto Emulator without provisioning an Azure Service and without connection to the internet. It can be an efficient way to use Kusto Query Engine for automated tests. Local development can be done without relying on an internet connection or a provisioned service.
Learn more about Azure Data Explorer Kusto Emulator.