jPDFFields allows your application to get and set field values.
Google Docs - Create a new document and edit with others at the same time -- from your computer, phone or tablet. Get stuff done with or without an internet connection. Use Docs to edit Word files. Free from Google.
Apache PDFBox - The Apache PDFBox™ library is an open source Java tool for working with PDF documents.
Microsoft Word - Microsoft Word is a commercial word document processor for Windows.
IronPDF - SDK for creating and editing PDFs.
Apache OpenOffice Writer - Open-source word processor of the Apache OpenOffice suite.
iText - iText is an intuitive and refined text editor with word processing completely rewritten in Cocoa...