What libraries do I need to use a paper scanner in java? [closed]

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I need to implement scanning software in a java program I am working on, what libraries will I need to do this? I have heard of JTwain and JSANE. Do I need to pay for both of these if I wish to make my software for commercial use?

Answer 1

JSANE, JTWAIN and Morena are the options. I selected Morena due to its cross platform compatibility and its ability to use both SANE and TWAIN interfaces.