Windows Task Manager creator releases TMOG to overhaul macOS monitoring
Frustrated by the gaps in Apple's default Activity Monitor, retired Microsoft engineer Dave Plummer built TMOG, packing process trees, per-core metrics, and hardware telemetry into one panel.
Former Microsoft engineer Dave Plummer, who wrote the original Windows Task Manager, has released a system monitoring utility for macOS called TMOG. According to Plummer, the project came about because the native Apple Activity Monitor lacks granular insights into how modern hardware actually handles system workloads.
TMOG consolidates real-time machine telemetry into an all-in-one overview. It tracks CPU and GPU usage, clock frequencies, thermal sensors, memory allocation, storage activity, power draw, and network throughput on a primary dashboard, while offloading the heaviest active processes to a dedicated screen.
Granular breakdown tools allow users to inspect the load across individual logical cores, as well as view historical trends for memory pressure, compressed memory, cache, and swap usage. Disk and network interfaces can be inspected together or isolated into independent metrics streams. For process management, the utility introduces hierarchical tree views alongside standard sorting and filtering, plus direct visibility into launchd background services and system diagnostic reports.
The application's interface is built natively for macOS using Swift and AppKit, backed by a telemetry collection engine written in C++. It supports macOS 13 and later across both Apple silicon and Intel platforms. A companion version tailored for Windows 11 is currently in development.
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