java machine learning library

Java MHT Library

Java IMAP Library

Java HTTP Library

Java FTP Library

Java Encryption Library

Java Email Library for POP3 / SMTP

Java Class library for creating PDFs with Reader and Digital Signatures

Just Forms PDF: Java class library for filling or editing interactive PDF forms.

A Java library for parsing and evaluating mathematical expressions.

Cross-platform Java library for exporting CAD entities and data to AutoCAD DXF