Ruby Cloud SDK & REST APIs to build apps for rendering & viewing images, HTML, PDF, Word, Excel, Email, Visio, Project & CAD file formats....DOCM, DOT, DOTX, DOTM Excel: XLS, XLSX, XLSM, XLSB, XLTX, XLTM...Microsoft Office: DOC, DOCX, XLS, XLSX, PPT, PPTX PDF Images:...