Tools, as in command line tools, I'm not so sure about. But Cocoa has NSLinguisticTagger. Good overviews: http://www.objc.io/issue-7/linguistic-tagging.html ht

Tools, as in command line tools, I'm not so sure about. But Cocoa has NSLinguisticTagger. Good overviews: http://www.objc.io/issue-7/linguistic-tagging.html http://www.objc.io/issue-7/linguistic-tagging.html http://nshipster.com/nslinguistictagger/ http://nshipster.com/nslinguistictagger/ And SDK documentation: https://developer.apple.com/library/ios/documentation/cocoa/reference/NSLinguisticTagger_Class/Reference/Reference.html https://developer.apple.com/library/ios/documentation/cocoa/...