Plug - Lightweight OSX player for Hype Machine
Yeloha - Airbnb for solar power
Rocketgraph - Rocketgraph is an open-source drop in replacement to Firebase, except it's much better.
REVEL GEAR - The future of portable power and light
Muru Music - Personalised playlists within seconds.
Powerfoyle - Transforming light into clean, endless energy for everyone.