Conky

Conky is a customizable system monitor for Linux and Unix-based operating systems that displays real-time information directly on your desktop. It can show data such as CPU and memory usage, network activity, disk space, weather, and system temperature. Using simple configuration files, users can design and position these displays to suit their preferences, integrating various data points into an aesthetic widget or overlay. Conky helps users keep track of their system's performance and resource usage effortlessly, providing an at-a-glance overview without interfering with their workflow.