[Jay Kickliter] writes in to tell us about his open source energy/power meter ... We have seen other hardware used to monitor power consumption, but cramming this circuit into each power box ...

Osiris and Samhain are two of the most widely deployed open source host integrity monitoring systems today. This chapter examines how each of these systems work and their respective strengths and ...

As more renewable energy sources come online grids and market ... Arjan Stam There are many reasons why organisations choose open-source software. Some do so for the price advantage, others ...