BlowFish 2000
BlowFish is a small, easy to use, file encryption utility. Simply drag and drop files and folders to quickly protect your sensitive documents, and then enter an encryption key to encode and decode the files you want to protect from prying eyes. Files can also be quickly encrypted and decoded... This utility uses the Blowfish encryption algorithm. ... BlowFish can be configured to optionally place its program icon in the taskbar notification tray.
http://www.gregorybraun.com/BLOWFISH.ZIP - 1Mb - Download - Screenshot

#1 Smart Encryptor - Encryption Manager
SmartEncryptor uses the most powerfull encryption algorythms existing. AES - the US Government standard symmetric encryption algorythm and Blowfish. Encrypt files and folders Send files over the Internet securely Create self-decrypting executables Works on all Windows systems.
http://www.smartencryptor.com/downloads/smartencryptorsetup.exe - 364Kb - Download - Screenshot

SafeIT File Encryption
SafeIT File Encryption is a user-friendly program that allows you to prevent unauthorized access to restricted documents. Encrypt sensitive documents and other private digital information you have on your computer. The encrypted files are are only accessible by entering the correct password. ... The encryption technology used supports several encryption algorithms, including the new AES-standard Rijndael with key length of 256 bits. ... If you prefer, you can also use Blowfish with a key length of 480 bits.
http://www.safeit.com/downloads/SafeITFileEncryption.exe - 8Mb - Download - Screenshot

Keywarden
Keywarden The reliable warden for your passwords! Keywarden is an easy-to-use and highly secure password manager which stores your different passwords, login-information, credit card numbers and other security related data in a clearly arranged place. ... The most important features at a glance: * Security: Highly secure Blowfish encryption * Easy to use: Customizable tree view, password-generator, ... ... Keywarden optimally protects your data with the generally accepted Blowfish encryption. ... As there is no known way to break this encryption, not even an intelligence service will be...
http://www.keywarden.de/keywarden/downloads/keywarden-1.4-windows.exe - 381Kb - Download - Screenshot

Encryption Workshop
Encryption Workshop includes file and folder encryption and decryption tool. Currently nine strong symmetrical block ciphers are implemented: BLOWFISH, GOST, RC 4, DES, Skipjack, TWOFISH, TEA and XOR. Any type of file can be encrypted/decrypted, not only ZIP files. ... Please be aware that many implementations of encryption algorithms exist on the market. ... Therefore, it may happen that files encrypted by Encryption Workshop will not be decrypted by other software or vice versa. ... If working with ZIP archives you might want to consider using encryption rather than password protection -...
http://www.encryption-workshop.com/enwork3.exe - 2b - Download - Screenshot

Private Encryptor
Utilize the latest in encryption technology to protect your sensitive data. Privacy tools include file/folder encryption, e-mail encryption, file/folder shredder, file/folder Backup with auto encryption, My Passwords, My Private Notes, Installable Encryption Modules, Compression, Context Menu... Registered version has DES, and Blowfish encryption, stronger encryption available as an add on. ... Since the Stealth Decryptor can be downloaded free from our website, the receiver of an encrypted email message does not have to buy the program.
http://www.tropsoft.com/encryptorsetup.exe - 1Mb - Download - Screenshot

SafeIT Secure Disk
SafeIT Secure Disk is a user-friendly program that allows you to prevent unauthorized access to restricted documents. The program makes a part of your current hard disk a secure disk. All private and confidential information stored on this disk will be protected using strong encryption. ... Features includes: The latest encryption standards (AES and Blowfish). ... The encryption technology used supports several encryption algorithms, including the new AES-standard Rijndael with key length of 256 bits.
http://www.safeit.com/downloads/SafeITSecureDisk.exe - 8Mb - Download - Screenshot

CryptaPix
CryptaPix is a graphics viewer/encryption program for Windows 95 to XP. Supports GIF, JPG, PNG, PCX, TIF, and BMP images. Full screen slideshows. Secure 80-bit PC1 (RC4 clone) and 160-bit Blowfish encryption keeps your private image collection away from prying eyes. ... Conversion, printing and secure wipe features are also available. ... Encrypted thumbnail and WAV sound support.
http://www.briggsoft.com/download/cpx32.exe - 674Kb - Download - Screenshot

Military Level Encryption
Military Level Encryption blowfish Cast128 gost rc2 Rijndael twofish. Encrypt disk files containing sensitive information. Encrypt sensitive text data before transmission or storage in database. Controls for encrypting, decrypting files and text also encryption of web pages and mailto email... Shedding files with DOD Department of Defense rules.
http://www.dudestar.net/MilitaryEncryptionTrial10.exe - 1Mb - Download - Screenshot

X-COM
Peer2Peer Secure Instant Messenger and Chat Your boss is spying you... YES! Every message/file you send on your lan can be intercepted by anyone... X-COM can offer you a minimun of privacy: every communications is encrypted using the Blowfish encryption algorithm. ... You will be able to send messages / files and chat with anyone on your lan and internet.
http://www.mypersonalsoftware.com/X-COM/Setup_X-COM.exe - 2Mb - Download