GKrellM (GNU Krell Monitors) is a system monitor software based on the GTK+ toolkit that creates a single process stack of system monitors. Developed by GKrellM
License: Open Source
Rainmeter is known for its high customizability and a wide range of plugins, making it suitable for users who want a visually appealing and functional desktop. In contrast, GKrellM offers a lightweight, minimalistic approach to system monitoring with an easy-to-use interface, making it ideal for users looking for straightforward performance insights without complex customization.