Many of us like Alexa Echo and similar devices, but there have always been concerns about privacy and data usage. The Willow Platform is a free and open-source alternative. In addition to the Willow Inference server, a high-quality voice user interface is needed that captures the audio and refines it. The ESP BOX from Espressif brings not only the microphones and audio processing power at an attractive price point, it is also accompanied by a powerful software ecosystem.