Dr Jeff Software develops, markets and sells computer software applications, or "Apps" for PC (Windows, Mac) and mobile phone/tablet (iPhone/iPad, Android, Windows Phone). Sells apps on owned online store and on third-party app stores. Licenses apps, code library and databases to third-party developers and service providers. Offers contract software development of apps for third parties. Website development and "sublet" hosting as a new "Building & Rental" business segment. Using iPage and Squarespace as hosts, we custom build your website and social presence (Facebook, LinkedIn).