For GroupDocs, 2012 was a significant year marked by milestones; we’re proud and grateful to end a busy year with great achievements. With constant enhancements, we were able to prove that we’re an integral part of the document management world. In 2012, we have introduced enhanced versions of our apps with added features from time to time; created a variety of plugins for multiple platforms; integrated many different storage options with GroupDocs; introduced flexible API SDKs to help you integrate our apps to your existing applications; and were able build a strong base of valuable customers, ranging from small to mid to enterprise levels; amongst many others....GroupDocs Viewer GroupDocs Signature GroupDocs Annotation GroupDocs...XLSX), portable files (PDF), and image files (JPG, BMP, GIF,...