There are hundreds of internet of things (IoT) platform products on the market today. They are available from tech startups, small and medium-size enterprises, and large corporations. IoT platforms are tools for connecting products and operations to the internet in valuable ways (for new business models and operational improvements). These products provide capabilities across four key functional areas: devices, connectivity, applications, and analytics. Platforms exhibit a wide range in technology strength and product maturity – picking the optimal platform is no easy task. We assessed 29 platform products from startups and small and medium-size enterprises, and ranked them on the Lux Vendor Matrix.