Alternatives to ProcessSpy

Tool to explore all the running tasks (processes)

System monitor for the menu bar

System monitoring app

Status monitoring

Analysis tool for security research and malware triage

Htop on steroids

Monitor process activity

Monitors the computer system and optimises its performance

System monitoring dashboard with historical analytics

System monitor for Apple Silicon with ANE, Media Engine and bandwidth tracking

SQL powered operating system instrumentation and analytics

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