
Description: MenuMeters is a free, open-source utility for macOS that monitors CPU, memory, disk, and network usage in real-time. It displays customizable graphs in the menu bar to provide at-a-glance insight into system activity.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: GKrellM is a free, open source system monitoring tool for Linux that displays CPU, memory, disk, and network usage statistics on a desktop panel similar to Windows task manager. It supports multiple panels, themes, and plugins.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API