yubikey-agent is a seamless ssh-agent for YubiKeys
GUI tool for administration of PKCS#11 enabled devices
Easy create and sign x509 certificates and generate RSA key pairs
Decrypt encryptions without knowing the key or cipher
Smart card events and smart cards information tracker
SLS Team Java Library
Multi hash crack suite
Base64 encode (or decode) files of any type with this lightweight tool
One-time-pad encryption using a virtual pad
Text encryption tool using Vigenère cipher
An encryption tool for creating file archives
Basic AES files encryption tool
lightweight bitmessage client
Comfortable hash-tool for texts and files
MD5 Checksum Tool
Open Source Security tool to audit hashed passwords.
Smart Card/java card automated testing tool for algorithms.
CrococryptQuerl is a web-based file encryption & transfer tool
Easy to use GlobalPlatform tool (and a Java library)