WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.
Digital Signature & eSigning software. Bulk PDF signing. Sign all Page
Securely generate passwords using UTF16 and Random.org
Sync directories and files in a secure folder on an external drive
Image Steganography for Windows
Free, cross platform, portable password manager.
Portable tool for downloading files and automatic encryption
A novel and uber-secure way to store data, by Ajay Menon
encapsulates secure crypto algorithms for easy use
A tool to encrypt files in Russian.
Portable, secure and open source AES256 password manager
Encryption/Decryption tool for words/hash/digits/encoded text
Protect and Obfuscate Encode PHP File From reading ( Opensource )
Binary Conversion Calculator
Simple security suite
Very simple file encryptor (coder)
Decrypt messages encrypted with a substitution cipher
A symmetric-key cryptosystem implementation in VB.NET..