Download of jPDFWriterSample 8.0 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. JPDFWriterSample for Mac belongs to Productivity Tools. We recommend checking the downloaded files with any free antivirus. This software for Mac OS X is an intellectual property of Qoppa Software.
From the developer:
Generate PDF documents directly from your Java™ programs. jPDFWriter is a Java™ class library that allows you to create PDF documents directly from your Java programs without having to install any third party drivers or software. jPDFWriter emulates the standard Java™ classes to print and draw graphics to reduce the learning curve when using the library and reuse existing code.
You may want to check out more software for Mac, such as PitStop Extreme, 3dissue or FileOpenInstaller, which might be similar to jPDFWriterSample.