iTextPDF - iText offers flexible tools for PDF creation, editing and inspection.
Synthesio - Synthesio is a social intelligence tool or a marketing software that is specially made for the purpose of social media monitoring and social analytics.
Apache PDFBox - The Apache PDFBox™ library is an open source Java tool for working with PDF documents.
Swift Social - All-in-One Social Media Growth and Management Tool
IronPDF - SDK for creating and editing PDFs.
LeadsRX - LeadsRX is a marketing attribution software that gives marketers insights into which advertising campaigns result in conversions.