Pulumi is a free utility tool designed for managing modern infrastructure as code across various cloud platforms. It supports popular environments such as AWS, Azure, and Google Cloud Platform, allowing users to define and deploy infrastructure using programming languages like Python, TypeScript, and Go. The tool is particularly useful for developers and DevOps teams looking to streamline cloud deployments and manage resources efficiently.

With its command-line interface (CLI), Pulumi simplifies the process of provisioning and managing cloud resources, enabling users to write code to represent their infrastructure. The tool integrates seamlessly with container orchestration platforms like Kubernetes and supports serverless architectures. Whether managing virtual machines or complex cloud applications, Pulumi offers flexibility and power for infrastructure management.