Overkill

Overkill is a sleek, lightweight system monitoring tool for Mac that delivers real-time insights into CPU usage, GPU load, memory consumption, disk activity, and network throughput. Access stats via a customizable menu bar widget or floating window—both designed to be non-intrusive. It uses minimal resources while providing accurate, up-to-date data, helping users identify performance bottlenecks, optimize resource allocation, and keep their Mac running smoothly. Ideal for power users and casual users alike, it balances functionality with simplicity.