Tosca Automation is a software testing tool developed by Tricentis that helps automate end-to-end functional testing of web, desktop, mobile, and API applications. It is designed to support Agile and DevOps methodologies and can be used to test applications built on various platforms such as Java. TOSCA, which stands for "Topology and Orchestration Specification for Cloud Applications," is an open standard for describing the structure, behavior, and lifecycle management of cloud-based applications. It provides a standardized way to define and manage the components and relationships within complex software systems, especially those that are deployed in cloud environments.