Camunda Platform is an open-source workflow and decision automation platform. Camunda Platform ships with tools for creating workflow and decision models, operating deployed models in production, and allowing users to execute workflow tasks assigned to them. It is developed in Java and released as open-source software under the terms of Apache License.
Further details can be found here: https://camunda.com/
Camunda supports a Windows deployment as well as a Docker container. There is also a REST API available for integrating with the platform.
Can you provide some context to this request? I assume you're referring to the Camunda BPM platform?