Process Hacker is a free and open source app that will let you view all the processes that your system runs.
License: Open Source
Task Manager, previously known as Windows Task Manager, is a task manager, system monitor, and startup manager included with Microsoft Windows systems. It provides limited information about computer performance and running applications, processes and CPU usage, commit charge and memory information, network activity and statistics, logged-in users, and system services. Developed by Microsoft
License: Free
Windows Task Manager is a built-in tool that offers basic task management capabilities, making it suitable for general users. In contrast, Process Hacker provides advanced features and detailed insights into system processes, making it more suitable for power users and developers.