PGA System Monitor is a small Windows tray app that watches your PC in real time and shows the numbers in a small dashboard window and in the system tray next to the clock.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Windows
Open Hardware Monitor is described as 'The Open Hardware Monitor is a free open source software that monitors temperature sensors, fan speeds, voltages, load and clock speeds of a computer' and is a very popular system information utility in the system & hardware category. There are more than 50 alternatives to Open Hardware Monitor for a variety of platforms, including Windows, Linux, Mac, Flathub and Flatpak apps. The best Open Hardware Monitor alternative is HWiNFO (32/64). It's not free, so if you're looking for a free alternative, you could try HWiNFO (32/64) or Libre Hardware Monitor. Other great apps like Open Hardware Monitor are MSI Afterburner, Stats, Sidebar Diagnostics and HWMonitor.
PGA System Monitor is a small Windows tray app that watches your PC in real time and shows the numbers in a small dashboard window and in the system tray next to the clock.
AI-powered hardware monitoring for Windows. Real-time system health, predictive alerts, and smart diagnostics. Free for home use.




Wattage is an application designed for monitoring the health and status of your power devices. It displays quick data regarding battery capacity, energy metrics, and device information through a clean, modern GTK 4 + libadwaita interface.



A magical creature lives in your menu bar — it might be a game character, a playful puppy, or something entirely unique. And it never stops running!




Live CPU, GPU, RAM, and thermal data directly in your macOS menu bar. Native for Apple Silicon, private by design, and built for fast first-glance insight.



