https://sentinel.digital/

Meet MacSentinel from sentinel.digital - your go-to performance guru for macOS, designed with Apple Silicon in mind. Harnessing the power of Swift, this savvy app monitors CPU, RAM, and storage effortlessly. Get playful with the RAM treemap, wield CPU delta analytics, and embrace the space-reclaiming magic of 'Smart Care,' all while sipping a coffee (it’s that light on resources!). Whether you're exploring the free community edition or diving deep with the Pro version, MacSentinel ensures your Mac stays sharp and snappy.