WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.
Implementation of the EDIINT AS2 protocol (RFC 4130)
Free GUI replacement for Java command-line utilities keytool/jarsigner
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
A Free, Easy-to-Use, Cross-Platform OpenPGP Crypto Tool.
UFONet - Denial of Service Toolkit
Implementation of ENTSOG AS4, e-SENS AS4, ebMS AS4, PEPPOL AS4
Encode-Decode Tool weaponized with Hash Encrypt & Hash Cracker
Java application for encryption
Portfolio Secure 22 [Improved.Simplified.Alternative]
Free portable cross-platform graphical multi-user password manager
Tiny front end to hcrypt.exe from project page Hcrypto
Just A Few Clicks To Encrypt Your File
An easy to use 'front-end' to ProxyCrypt encryption application
GUI tool for administration of PKCS#11 enabled devices
Easy create and sign x509 certificates and generate RSA key pairs
Encryption/Decryption demonstration app using the S-DES algorithm
HOFAT - graphical Hash Of File And Text calculator, 100%-pure Java
Java Encryption Utility.
SLS Team Java Library
Free, secure, customizable and the best folder locker software!
Certificate Authority administration application
more convenient one-time-pad encryption.
Basic AES files encryption tool