PQView is a multi-component software system for building and analyzing databases of power quality and energy measurements.Its components can build measurement databases, write summary reports, compute power quality indices, view waveforms, view rms samples, and trend steady-state quantities via workstations and web browsers. Power providers, industrial power consumers, consulting companies, and university researchers throughout the world widely recognize PQView for its capabilities and flexibility.
Link: http://www.dranetz.com/product-services/software-dranetz-products/pqview/