Indigo Byte Systems, LLC develops software for IT specialists, software developers, and technical writers. The flagship product is Dr.Explain application. Dr.Explain is a help authoring software to create help files, documentation and on-line manuals in CHM, PDF, RTF & HTML formats automatically. Dr.Explain is based on a unique interface analysis and screen capture system. Thanks to this system, Dr.Explain can automatically analyze an application’s user interface, take screenshots of all controls and elements, and then add explanatory callouts to all images in the draft help system. After that, all one needs to do is add descriptions to the callouts, and save the result in the HTML, CHM, RTF, or PDF format.