Open-source implementation of a substantial portion of the API
A Free, Easy-to-Use, Cross-Platform OpenPGP Crypto Tool.
cross-platform (Java) file encryption and archiving tool
Free portable cross-platform graphical multi-user password manager
cross-platform, encryption application
Petoron Quantum Standard (PQS)
Free and open-source PDF signing and verification application.
antigift is simple cross-platform, files & folders encryption tool
yubikey-agent is a seamless ssh-agent for YubiKeys
FinalCrypt - Unbreakable One-Time Pad Encryption
HOFAT - graphical Hash Of File And Text calculator, 100%-pure Java
AES Cipher, Base64 encoder, SHA calculator
Stanford Javascript Crypto Library
Base64 encode (or decode) files of any type with this lightweight tool
GILIB Large Integer Arithmetic Library
Free, cross platform, portable password manager.
[WARNING] Project has moved to http://github.com/Retroshare/Retroshare
Compiled into a single .jar file. Tiny Password Manager. Portable
Simple but Powerful, Cross-Platform Password Management Utility
Cross-platform encrypted password and file database