Corona Labs Inc., formerly Ansca Mobile, was a software company based in Palo Alto, California, best known for building a 2D game and app development platform. Its most popular product was the Corona SDK, a cross-platform mobile development framework that builds native apps for iOS, Android, Amazon Kindle, Windows Phone, tvOS, Android TV, and Mac and Windows desktops from a single code base. Corona products use the programming language Lua. The company changed hands several times before closing on May 1, 2020.