I'm building my toolkit for system diagnostic tools and I want to know what everyone considers essential. We're talking about tools for memory leak detection, CPU troubleshooting, performance monitoring, and overall system health. What are your go-to system diagnostic tools for Windows, Mac, and Linux? Are there any free tools that are as good as paid ones for system monitor tools?
For system diagnostic tools on Windows, Process Explorer and Process Monitor from Sysinternals are absolutely essential. They give you way more detail than Task Manager. For memory leak detection, I use RAMMap. For CPU troubleshooting, CPU-Z and HWMonitor are great. And for overall system monitor tools, I love HWiNFO64 it gives you everything in one place.
Mac system diagnostic tools: Activity Monitor is actually pretty powerful if you know how to use it properly. For more detailed system diagnostic tools, I use iStat Menus for real-time monitoring and EtreCheck for comprehensive system analysis. For disk health, DriveDx gives you way more detail than Disk Utility. And for network troubleshooting, Little Snitch is amazing.
Linux has amazing built-in system diagnostic tools. top and htop for process monitoring, iotop for disk I/O, nethogs for network, and vmstat for memory. For GUI system monitor tools, I like GNOME System Monitor and KSysGuard. And for hardware monitoring, lm-sensors combined with psensor gives you great temperature and fan speed data.