The GroupDocs.Annotation .NET SDK provides access to the GroupDocs.Annotation .NET API. The API allows developers to annotate text or images in a document. This includes uses for comments, explanations with highlighted notes, watermark, polyline and more. The Annotator API supports PDF, Microsoft Word DOCX, Excel XLSX and PowerPoint PPTX documents. GroupDocs provides document manipulation APIs that allows you to view, convert, annotate, compare, sign, assemble and search documents in your applications.
Box has announced the general availability of the new Box View, an API service that allows Web and mobile applications to display nearly any file type without the need for a custom-built viewer. File types supported include text, image, presentation, 3D, video, and audio.
Late last week Google announced the release of version 3.0 of their Google Documents List Data API. This latest release addresses several feature requests filed by developers and also aims to improve speed and stability of the API itself (our Documents List Data API Profile). The most notable detail in this release is the ability to upload and download files in PDF.