Ruby Cloud SDK & REST APIs To build apps for rendering & viewing images, HTML, PDF, Word, Excel, Email, Visio, Project & CAD file formats....PPSX, PPSM, PPTM, POTX, POTM Visio: VSD, VSDX, VSDM, VST, VSTX...OneNote: ONE OpenDocument: ODT, OTT, ODS, OTS, ODP, OTP, ODG Fixed...