Overwatch Systems Boston Operations (formerly Paragon Imaging) is a leading supplier of image processing software for government and commerical applications. Overwatch's ELT® Electronic Light Table Series software is the most widely used commerical image processing software among U.S intelligence and related government analysts. With ELT® Series software, users can easily view and exploit digital images, link associated information with images, and share their analysis with decision makers and other imagery users. ELT® Series software is available for Windows, Unix and Web platforms.