Crypto4 Files 2.2
Crypto4 Files allows you to pack, unpack, sign, encrypt, verify signature and decrypt files using X.509 certificate right from Windows Explorer. It also allows to send encrypted or signed files by e-mail. It lets you perform both simple file operations such as pack files into ZIP archive, send files by e-mail, securely delete files and advanced security operations such as signing and encryption of files and folders.

Folder Crypt 3.0.1028
With Folder Crypt you can password protect any Windows file or folder using low level encryption and standard algorithms, such as DES, Rijndael and Blowfish with keys up to 2048 bits. The program performs a true bit per bit encryption of your data. Original files and folders may be shredded. The encryption process is not reversible. Easy to use with its improved shell integration. Full international characters support.

Chilkat Python Encryption Library 4.0
The Chilkat Python encryption library provides an advanced API for symmetric encryption, public-key encryption, digital signatures, hashing, and encoding/decoding.

.NET Encryption Library 1.09
Affordable, powerful, and easy to use .NET Encryption/Hashing/Compression Library. Encrypt sensitive information such as passwords, credit cards and social security numbers. Supports Rijndael (AES), DES, TripleDES, RC2, Blowfish, Twofish, Whirlpool, MD2, MD4, MD5, SHA1, SHA2, HAVAL, GOST, Ripend320, FCS16, FCS32, CRC32, Adler32, X509, UUencode, Base64, GZip, and Deflate.

Hyper Hasher Suite 6.0.4
The Hyper Hasher Suite will fulfill all your file hashing needs. Hyper Hasher allows you to calculate 26 different hash/checksum and HMAC values for any file on your system, while the HashFile utility adds support for MD5 & SFV file creation and verification. These tools feature advanced options including a unique customizable interface, configuration saving, optional windows shell integration, Pentium 4 optimizations for speed, and much more!

APP/Encrypt 1.0
APP/Encrypt is a COM+/MTS component that allows application developers to strong encrypting and decrypting of text and files. Supports the latest industry-standard strong encryption and hashing algorithms including: Blowfish, Cast 128, Cast 256, Rijndael, Serpent, Twofish, TEA, MARS, IDEA, Haval, MD5, SHA-1, SHA-512, Tiger, RipeMD-160, etc.

ASP/Encrypt 1.15
ASP/Encrypt is a server side COM component that allows web developers to strong encrypting and decrypting of text and files. Supports the latest industry-standard strong encryption and hashing algorithms including: Blowfish, Cast 128, Cast 256, Rijndael, Serpent, Twofish, TEA, MARS, IDEA, Haval, MD5, SHA-1, SHA-512, Tiger, RipeMD-160, etc.

CryptoLab 1.02.2
CryptoLab is a freeware cryptography application for Microsoft Windows, and incorporates text-based encryption / decryption through the use of plug-in cipher modules. Advanced features include: Plug-in cipher modules; Advanced pseudo-random key generation; Key Manager storage utility; Full password protection; Integrated SMTP email support; PDF, HTML and Word Document export options; Statistics calculator.