Add digital signatures to PDF documents - GUI and CLI, cross-platform
cross-platform, encryption application
Free portable cross-platform graphical multi-user password manager
57 Hash Functions In One Program, plus each with HMAC or KMAC
cross-platform (Java) file encryption and archiving tool
antigift is simple cross-platform, files & folders encryption tool
yubikey-agent is a seamless ssh-agent for YubiKeys
HOFAT - graphical Hash Of File And Text calculator, 100%-pure Java
AES Cipher, Base64 encoder, SHA calculator
Base64 encode (or decode) files of any type with this lightweight tool
Open Source Security tool to audit hashed passwords.
Juggernaut v1000 Anti-Cryptography
[WARNING] Project has moved to http://github.com/Retroshare/Retroshare
Cross-platform encrypted password and file database
Encryption App
AES-128 bit file encryptor
CryptoEngine (C) is a DLL Library that provide Cryptography Services.
SES brings back the uncrackable onetime pad, with a digital twist.