kv4p HT is a free, open-source amateur radio transceiver project that allows users to build a VHF radio that plugs into an Android smartphone’s USB-C port, turning the phone into an off-grid device capable of voice and text communication.

The Waterwise 1600 Non-Electric Distiller is an all-stainless-steel appliance designed for emergency preparedness and off-grid use, capable of producing up to 16 gallons of pure, safe steam-distilled water a day using any external heat source.