1)   Just Forms PDF : Java PDF Library 1.1
The JustFormsPDF library is a Java class library for filling or editing interactive PDF forms on-the-fly. This PDF library requires no other packages to be installed and will run easily from any Java project including JSP, Servlets and EJB.

 2)   VisualMerge 1.2.0.35
Create personalized mailings using PDF forms as templates. Import data from Excel documents, CSV files or Microsoft Access databases.

 3)   PDF-Forms 2.0
Fill out PDF forms, save them and print them. You can add form fields to existing PDF files or fill out existing form fields. The program can also add comments to PDF files or highlight text in PDF files. Provide your customers with PDF forms.

 4)   pdfOffice / pdfOffice Pro 4.0
pdf-Office is a very progressive software solution to create PDF forms and documents. Shape sophisticated forms within minutes, write texts as in Word, imports graphics to your documents - do this without training from scratch.