BCArchive 2.01
BCArchive allows you encrypt files/folders into an encrypted archive (ie. single file). Such encrypted archive can be used for keeping data in encrypted form or included into a self-extracted program which you may e-mail to your friend. He/she will receive this archive and can read your files, either via knowing correct password or via using public/secret key technology.

DeepCoder 1.0
DeepCoder is a program to encrypt, decrypt and/or digitally sign e-mails and files using secret keys (passwords) or public keys. It can be used with any e-mail program or wordprocessor program. No plug-ins are required.Very easy to use and very straightforward!DeepCoder works with any POP3 e-mail client (like Outlook, Outlook Express, Eudora, Pegasus, ...) or a browser for webmail (Yahoo! mail, Hotmail, ...) to encrypt and decrypt e-mails.

VMPC Security 2
Encrypts files and folders and stores them in encrypted archive files. It can compress files before encryption, split archives into smaller files so that they can fit e.g. on CDs. It can generate self-decrypting archives (requiring only password, can be open without the application). Also encrypts emails, wipes files unrecoverably from disk and generates secure passwords from random mouse moves.

PicaSafe 1.7
WANNA HIDE THAT NAUGHTY PICTURES AWAY FROM THE CURIOUS EYE? There are hundreds of ways to hide your private pictures on the computer, but only one of them is really safe. Protect your collections of digital pictures with PicaSafe! Keep. Watch. Hide. Only you control who can see your pictures.