FileCrypt - Encrypt & Compress Files 2.0
ByteShift lets you easily encrypt and compress confidential files for secure storage or transfer over insecure networks, such as via email attachments or instant messenger. ByteShift removes the need to use multiple programs to encrypt, compress and email your files by combining all three into an easy to use menu which appears when you right-click on any file. ByteShift works right out-of-the-box. Free 10-day Trial download.

CryptoForge 3.2.5
This is encryption software for high-level security. It enables you to encrypt, decrypt, and wipe -with the built-in file shredder- files of any type, as well as entire folders and drives, from within Windows Explorer with right-click ease. An included secure text editor allows you to create, encrypt, and decrypt documents in a way that can be sent by any email, messenger, or chat program.

Easy SMTP Server 2.9
Send e-mail messages easily and securely from your portable PC while you are traveling around the world! Using this program instead of your ISP's SMTP server you will increase your e-mail security and privacy as well as get rid of annoying change of settings for your e-mail program. Easy SMTP Server is easy to configure!

Local SMTP Server Pro 3.11
SMTP server program to send email messages without help of your ISP, directly from your local PC to recipient mailboxes. Use your favorite email client along with this software as usual. Mobile PC users who travel a lot and have to switch between different ISPs on the run will find this software ideal. Increase your privacy by using this server instead of your ISP's account. Built-in firewall lets you protect it from the outside of the Internet.