Fleet by Fleet Device Management Inc. is an open-source device management platform designed to manage and secure macOS, Windows, Linux, Chromebooks, AWS, GCP, Azure, data centers, containers, and Linux-based IoT devices. Fleet leverages osquery to stream accurate, real-time data from all devices, making it easy to deploy at scale. It is lightweight and modular, allowing use for security without MDM, and features can be turned off as needed. Fleet includes out-of-the-box support for all CIS benchmarks for macOS and Windows, as well as many simpler queries. It provides deep context down to the chip level on every endpoint to help prioritize vulnerabilities. Fleet's API enables teams with thousands of computers to build an effective IT and security program. It supports integrations with Snowflake, Splunk, GitHub Actions, Vanta, Elastic Jira, Zendesk, and more. Fleet is dedicated to flexibility, accessibility, and clarity, making tools easy for everyone to understand. The free version of Fleet will always be free and is independently backed and maintained by contributors. Fleet is used in production by IT and security teams with thousands of laptops and servers, with some deployments supporting tens of thousands of hosts and a few large organizations managing deployments as large as 400,000+ hosts.