Top Alternatives to Windows Task Manager

Process Hacker is a free and open-source system utility that provides in-depth monitoring and manipulation of processes, threads, and kernel objects.

htop is an advanced interactive system monitor and process viewer for Unix-like systems. It offers a user-friendly, cursor-based interface to manage processes, providing real-time performance data and powerful process control capabilities.

Process Monitor is a powerful Windows utility providing real-time monitoring of file system, Registry, process, and thread activity. It's an essential tool for debugging, troubleshooting, and understanding system behavior.

AnVir Task Manager Free is a powerful freeware utility that extends beyond the standard Windows Task Manager, offering comprehensive system control, enhanced process management, startup optimization, and detailed performance monitoring.

GNOME System Monitor is a fundamental utility for the GNOME desktop environment, providing users with detailed real-time information about system performance, running processes, and resource utilization. It's an essential tool for diagnosing performance issues and managing system resources effectively.

Glances is a cross-platform, open-source system monitoring tool providing a comprehensive overview of system resources and processes directly from the command line or web interface. Written in Python, it is highly portable and extensible, offering a wealth of information in a dynamic and user-friendly format.

SpyStudio is a powerful and intuitive API monitoring tool designed for developers, system administrators, and IT professionals. It provides deep insights into the inner workings of Windows applications by intercepting and displaying API calls, file system activity, registry access, and network interactions.