The library has a simple interface to work with PDF documents and is designed to be integrated easily and seamlessly into your PDF document workflow.
jPDFProcess provides the functionality found in many of our other libraries, including printing, setting permissions and security, creating and assembling documents, digital signing, working with form fields, converting to images, extracting text and more.
The library can work with PDF documents from files, URLs and input streams and can save documents to files and output streams, so it can serve documents from a J2EE application directly to a client browser without any temporary files.
JSignPdf - JSignPdf is a Java application which adds digital signatures to PDF documents.
PDF Clown - PDF Clown is an open-source general-purpose library for manipulating PDF documents through multiple abstraction layers, rigorously adhering to PDF 1.7 Specification
Document .Net - Gives you API to do everything with a document in PDF, DOCX, DOC, RTF, HTML and Text formats.
jOfficeConvert - Use jOfficeConvert Java PDF SDK to convert MS Word and Excel documents to PDF or images, or print documents automatically from your Java applications.
PDFSharp - Office & Productivity and Development
Wicked PDF - PDF generator (from HTML) plugin for Ruby on Rails