SmokeD - The intelligent fire camera for homeowners
GitSpo - Measure & engage your open-source community
Honeywell Lyric - think Nest's infamous Learning Thermostat, but smarter
Devo - Devo delivers real-time operational & business value from analytics on streaming and historical data to operations.
Netatmo - Control your heating wherever you are
LibHunt - LibHunt tracks mentions of software libraries on relevant social networks. Based on that data, you can find the most popular projects and their alternatives.