ThailandAirGradient builds open-source indoor and outdoor air quality monitors that track PM2.5, CO2, temperature, humidity and other pollutants. The company is known for its open hardware and firmware, letting users build, repair and integrate the monitors with platforms like Home Assistant and its own dashboard. AirGradient appeals to people who want transparent, data-driven air quality monitoring rather than a closed black box.
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USAUbiquiti is a US networking company whose smart home relevance comes from its UniFi platform, spanning Wi-Fi routers, mesh systems, switches, security cameras (UniFi Protect), video doorbells and access control. Its gear is prized by enthusiasts for high performance, a unified local-first UniFi OS interface and no mandatory subscriptions. A fast, reliable UniFi network is a popular backbone for larger smart homes, though the ecosystem leans prosumer rather than plug-and-play.
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