cryptx
Cryptography programm for encrypt/decrypt your files.This is use a Microsoft Crypto API

Security::Cryptography

Steganos LockNote
Store your most valuable notes in a LockNote. Hide your everyday notes in a safe place. Application and document in one:

Security::Cryptography
Text Editors

f_TEA
Flash/PHP adaptation of the XTEA encryption algorithm. Allows encryption/decryption of sensitive data using 128-bit key.

Formats and Protocols::Data Formats
Internet
Security::Cryptography
Software Development::Algorithms

Zolter
AwesomeScripts Zolter is a program started by AwesomeScripts dedicated at providing security to developers on the net. Developers

Security::Cryptography

Sasl.NET
Simple Authentication and Security Layer (Sasl) Library for .NET environments

Internet
Security::Cryptography
System::Networking

Cryptohawk cryptography tool
CryptoHawk can calculate hashes (md2,md4,md5,sha-1,sha-256 and hmac). It can also perform cryptanalysis like frequency analysis

Security::Cryptography

jFileCrypt
With jFileCrypt you can crypt files very fast and secure. It crypts using the JCE and supports Blowfish, DES, 3DES, AES

Security::Cryptography
System::File Management

hack://src Security Suite
Software repository of the hack://src project. Includes security related software for crypto, vulnerability/patch notification

Security::Cryptography
System::Software Distribution
System::Systems Administration

Universal Password Manager
Universal Password Manager is a cross platform password manager. The main attraction of this password manager over others

Database
Internet
Security::Cryptography

cryptmount
cryptmount is a utility for user-level, on-demand, mounting of encrypted filesystems under GNU/Linux using the device-mapper

Security::Cryptography
System::Filesystems