Document Automation APIs along with open-source SDKs to enhance Java, Python, Node.js, C# .NET, Ruby, C++, and PHP applications to view, edit, annotate, convert, compare, e-sign, parse, split, merge, extract, redact, watermark, Metadata, paraphrase, classify, repair, and translate documents of almost all the popular file formats.... Annotations usually are metadata in the form of comments, notes...pleased to announce the release of Java and Ruby SDKs for GroupDocs...