The GroupDocs.Comparison .NET SDK provides access to the GroupDocs.Comparison .NET API. The API allows you to compare and merge Microsoft Word, Excel, PowerPoint, openDocument ODT, PDF, Text and HTML documents. The document comparison API compares content to detect changes for words, paragraphs, characters and style changes like font size, bold, italic etc. GroupDocs provides document manipulation APIs that allows you to view, convert, annotate, compare, sign, assemble and search documents in your applications.
Vitrium has recently announced the release of its Application Programming Interface (API) for its popular document security solution, Protectedpdf. The new API will allow developers to integrate their software and workflows with Vitrium’s DRM and document encryption software.