Ruby Cloud SDK & REST APIs to build apps for rendering & viewing images, HTML, PDF, Word, Excel, Email, Visio, Project & CAD file formats....JPF, JPX, JPM CAD: DGN, DWF, DWG, DXF, IFC, STL Markup: HTML,...BMP, TIFF, GIF CAD formats: DWG, DXF Ebooks: EPUB, MOBI Email...