PoDoFoBrowser - PoDoFoBrowser is a graphical browser and editor for the object structure of PDF files.
IronPDF - SDK for creating and editing PDFs.
Qoppa jPDFPrint - Use jPDF Java PDF SDK to print PDF documents from your Java applications.
Aspose.PDF for Java - Aspose.Pdf is a Java PDF component to create PDF documents without using https://alternativeto.
iTextPDF - iText offers flexible tools for PDF creation, editing and inspection.
Tcpdf - TCPDF: Open Source PHP Class for generating PDF documents