GroupDocs.Annotation for .NET is a downloadable library that allows developers To add cross-platform, multi-format document annotation functionality To any web-based app or site. Recently we’ve created an add-on specifically for Concrete5 users To make it easy To integrate the library inTo their websites. The add-on has been approved by Concrete5 admins and is now available for download from the official Concrete5 marketplace. How can Concrete5 site owners and developers benefit from this release?...Microsoft Word documents, Excel spreadsheets, PowerPoint presentations...presentations, Visio diagrams, CAD drawings, raster images and a lot more...