PromLabs is a company dedicated to providing tools, resources, and solutions for users of Prometheus, an open-source monitoring system. PromLabs offers a suite of products designed to enhance the experience of working with Prometheus, including PromLens, a query editor and explainer, and Checkup, a service ensuring PromQL queries continue to function correctly across updates. The company focuses on improving the usability and effectiveness of Prometheus monitoring through educational and practical tools.