Ruby Cloud SDK & REST APIs to build apps for rendering & viewing images, HTML, PDF, Word, Excel, Email, Visio, Project & CAD file formats....DXF, IFC, STL Markup: HTML, MHT, MHTML, XML Metafile: WMF, EMF...STL GIF OTS ASM FODS TIFF GZ MHT RTF VSSX CXX ODP DOTM DOCM EMF...