acpi : Attempts to replicate the functionality of the 'old' apm command on ACPI systems ( http://sourceforge.net/projects/acpiclient/ )
acpi_call : A kernel module that enables you to call ACPI methods ( https://github.com/mkottman/acpi_call )
acpid : Daemon for Advanced Configuration and Power Interface ( http://sourceforge.net/projects/acpid2 )
acpitool : A small command line application, intended to be a replacement for the apm tool ( http://packages.debian.org/sid/acpitool )
apcupsd : APC UPS daemon with integrated tcp/ip remote shutdown ( http://www.apcupsd.org/ )
athcool : small utility to toggle Powersaving mode for AMD Athlon/Duron processors ( http://members.jcom.home.ne.jp/jacobi/linux/softwares.html#athcool )
bbswitch : Toggle discrete NVIDIA Optimus graphics card ( https://github.com/Bumblebee-Project/bbswitch )
cpudyn : A daemon to control laptop power consumption via cpufreq and disk standby ( http://mnm.uib.es/~gallir/cpudyn/ )
cpupower : Shows and sets processor power related values ( https://www.kernel.org/ )
cpuspeedy : A simple and easy to use program to control the speed and the voltage of CPUs on the fly ( http://cpuspeedy.sourceforge.net/ )
hibernate-script : Hibernate script supporting multiple suspend methods ( http://www.tuxonice.net/ )
iasl : Intel ACPI Source Language (ASL) compiler ( https://www.acpica.org/downloads/ )
ncpufreqd : Daemon controlling CPU speed and temperature ( https://bitbucket.org/nelchael/ncpufreqd )
nut : Network-UPS Tools ( http://www.networkupstools.org/ )
nvclock : NVIDIA Overclocking Utility ( http://www.linuxhardware.org/nvclock/ )
nvram-reboot : PowerOff Boot-Images for nvram-wakeup (not needed for GRUB) ( http://sourceforge.net/projects/nvram-wakeup/ )
nvram-wakeup : read and write the WakeUp time in the BIOS ( http://sourceforge.net/projects/nvram-wakeup )
phc-intel : Processor Hardware Control for Intel CPUs ( http://www.linux-phc.org )
phc-k8 : Processor Hardware Control for AMD K8 CPUs ( http://www.linux-phc.org/ )
phctool : Processor Hardware Control userland configuration tool ( http://www.linux-phc.org/ )
pm-quirks : Video Quirks database for pm-utils ( http://pm-utils.freedesktop.org/ )
pm-utils : Suspend and hibernation utilities ( http://pm-utils.freedesktop.org/ )
pmtools : Collection of tools for ACPI and power management ( https://github.com/anyc/pmtools/ )
powerman : RPC/PDU control and monitoring service for data center or compute cluster power management ( https://code.google.com/p/powerman/ )
powermgmt-base : Script to test whether computer is running on AC power ( http://packages.debian.org/testing/utils/powermgmt-base )
powernowd : Daemon to control the speed and voltage of CPUs ( http://www.deater.net/john/powernowd.html https://github.com/clemej/powernowd )
powertop : tool that helps you find what software is using the most power ( https://01.org/powertop/ )
sispmctl : GEMBIRD SiS-PM control utility ( http://sispmctl.sourceforge.net/ )
suspend : Userspace Software Suspend and S2Ram ( http://suspend.sourceforge.net/ )
thermald : Thermal daemon for Intel architectures ( https://01.org/linux-thermal-daemon )
upower : D-Bus abstraction for enumerating power devices and querying history and statistics ( http://upower.freedesktop.org/ )
upower-pm-utils : The upstream upower 0.9 git branch for use with sys-power/pm-utils ( http://upower.freedesktop.org/ )
yacpi : Yet Another Configuration and Power Interface ( http://www.ngolde.de/yacpi.html )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a funtoo
For Paludis use this rsync : rsync://gentoo.zugaina.org/funtoo-portage
If you have a problem : ycarus(-at-)zugaina.org