Tuya Smart - Tuya Smart is a free to use Lifestyle Application by Tuya Inc.
D3.js - D3.js is a JavaScript library for manipulating documents based on data. D3 helps you bring data to life using HTML, SVG, and CSS.
Netatmo - Control your heating wherever you are
Chart.js - Easy, object oriented client side graphs for designers and developers.
Nest Thermostat (3rd gen) - A slimmer, sharper, sexier thermostat
Google Charts - Interactive charts for browsers and mobile devices.