IronPDF - SDK for creating and editing PDFs.
PDFJet - PDFJet is a mobile and cloud PDF Library for Java and .NET to generate PDF documents.
VeryPDF PDF Editor - VeryPDF PDF Editor can edit the PDF content, page sequence and annotation, create PDF and convert PDF.
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
iTextPDF - iText offers flexible tools for PDF creation, editing and inspection.
Aspose.PDF for Java - Aspose.Pdf is a Java PDF component to create PDF documents without using https://alternativeto.