Alternatives to XRG

System monitor for the menu bar

Set of CPU, memory, disk, and network monitoring tools

Menu bar application that displays the CPU speed limit due to thermal issues

Status monitoring

Monitors computer mic and webcam

Htop on steroids

CPU meter menu bar app

System monitoring dashboard with historical analytics

Power management and monitoring for Apple Mx processors

System monitor with temperature & fans plugins

System monitoring for Apple Silicon

Notification Center widget and menu bar application to monitor fans