Grafana, known for its compatibility with over 100 data sources, prominently supports Prometheus, a favored choice for those looking to expand their monitoring capabilities within Grafana's "big tent" philosophy. This brief tutorial video demonstrates how to quickly set up a Prometheus data source in Grafana, covering customization options such as authentication and scrape intervals within a concise timeframe. For more detailed guidance, Grafana offers comprehensive documentation and additional resources like the "Intro to metrics with Grafana" video. Grafana Cloud provides an accessible entry point with its free tier, offering a generous allowance of metrics, logs, and traces to help users get started with Grafana and Prometheus.