Free and open-source PDF signing and verification application.
Sign PDF with Digital Signature Certificate
Centralized signing and verification
Digital Signature for PDF documents in Spanish
Mature LDAP, LDIF and DSML client with i18n support.
Tools to work with android .dex and java .class files
Adobe Flash SWF file reader, editor
Java code that enables you to sign documents using a smart card.
Kerberized Messaging Toolkit for Java