Add digital signatures to PDF documents - GUI and CLI, cross-platform
FIDO® Certified StrongKey FIDO Server (SKFS)
Free and open-source PDF signing and verification application.
cross-platform (Java) file encryption and archiving tool
GMR digital signature system
FIDO strong authentication, encryption, digital signature engine
FIDO-enabled, cloud file encryption with centralized key management.
Easy to use GlobalPlatform tool (and a Java library)
Java native access for pc/sc, pkcs11, openct based on JNA
Java code that enables you to sign documents using a smart card.