GridGain In-Memory Data Fabric - TheGridGain In-Memory Computing Platform is a comprehensive solution provides speed and scale for data intensive applications across any data store
iTextPDF - iText offers flexible tools for PDF creation, editing and inspection.
JasperReports - JasperReports Server is a stand-alone and embeddable reporting server.
Apache PDFBox - The Apache PDFBox™ library is an open source Java tool for working with PDF documents.
i-net Clear Reports - i-net Clear Reports is an elegant reporting solution for Java, accommodating a broad scope of your reporting needs. If you know reporting software like Crystal Reports, you will love i-net Clear Reports.
IronPDF - SDK for creating and editing PDFs.