APC UPS Daemon
- APC UPS daemon power management under Linux. Latest stable release is 3.14.3, 2008-01-20.
KNutClient
- A visual KDE client for UPS systems using NUT - Network UPS Tools. This application has been translated into 9 languages. The latest stable release for KDE4 (and KDE3) is 1.0.4, 2010-12-09.
NUT: Network UPS Tools
- A cross-platform, open source UPS management project designed to monitor and shutdown multiple UPSes from different manufacturers with a small set of programs. The project monitors every kind of UPS, given sufficient interest. Last release is 2.2.2, 2008-05-07.
WMNut
- A program to monitor multiple UPSs statistics through the NUT (Network UPS Tools) framework on Linux and other systems. Also available in French.