There are other ESET products available with slightly different tools, such as the lightweight ESET NOD32 Antivirus software and a mobile app (see box, below). The best anti-virus software of 2015: revealed You could say it was the rational consumer's choice, at least from its branding. The firm takes a no-nonsense approach to its software, keeping fear-mongering and family protection horror stories to a minimum. ESET Smart Security has ranked consistently high in our tests over the last few years.