PlugPDF uses some open source components for our PDF reader such as zlib, libjpeg and freetype2. However, the PDF core library is basically proprietary. You may see some Java source code which is mainly for user interfaces in the trial version. You can freely use / modify them if you purchase a license. However, the compiled jar files and JNI library are not source code accessible.
This reply was modified 2 years, 8 months ago by Dr. Plug.
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