Zzz is described as 'Custom power management utility for Windows that is designed to eclipse built-in power management systems. In other words, Zzz provides a more customizable experience for power management and offers more control than built-in power management for Windows PCs' and is an app in the security & privacy category. There are nine alternatives to Zzz for Linux, Flathub and Windows. The best Zzz alternative is TLP – Linux Advanced Power Management, which is both free and Open Source. Other great apps like Zzz are PowerTOP, Auto-CPUFreq, TLP UI and Laptop Mode Tools.
TLP brings you the benefits of advanced power management for Linux without the need to understand every technical detail. TLP comes with a default configuration already optimized for battery life, so you may just install and forget it.
PowerTOP is a Linux tool to diagnose issues with power consumption and power management. In addition to being a diagnostic tool, PowerTOP also has an interactive mode where the user can experiment various power management settings for cases where the Linux distribution has not...
An automatic CPU speed and power optimizer for Linux that helps to improve battery life in laptops.
Laptop Mode Tools is a package of userspace scripts for Linux kernel "laptop mode".
RightMark CPU Clock Utility (RMClock) is a small GUI application designed for real-time CPU frequency, throttling and load level monitoring and on-the-fly adjustment of the CPU performance level on supported CPU models via processors power management model-specific registers...
Jupiter is a light weight power and hardware control applet for Linux. It is designed to improve battery life of a portable Linux computer by integrating with the operating system and changing parameters of the computer based on battery or powered connection.
pm-utils is a small collection of simple scripts that handle suspend and resume of the computer.
power-profiles-daemon offers to modify system behaviour based upon user-selected
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