echoAR (www.echoAR.xyz; Techstars '19) is a cloud platform for augmented reality (AR) that provides tools and server-side infrastructure to helps developers & companies quickly build and deploy AR apps and content. echoAR is backed by Techstars and received grants from Y Combinator and NYC Media Lab, was named one of the Top 25 finalists in Sir Richard Branson's Extreme Tech Challenge (XTC) 2019, and was featured on The Hill and Bold TV.