I'm still finding my way around this site.
I have a keen interest in open source digital dashboards that can analyze data from tens of thousands of monitors. There is a new announcement that may be of interest http://info.oicweave.org/projects/weave/wiki/Weave_Beta_10_Announcement
Looks interesting, thanks for sharing the link
Open-source tools for energy monitoring and analysis. This project uses the GNU General Public Licence