AsMask 2.6
AsMask can encrypt and hide all format secret files or text messages into an image. Encryption method based on 256-bit encryption algorithm. The solution is reliable and you can set a password to protect the encryption files and text messages. You can view the image hidden files and text messages as same as normal image. Nobody can aware of messages hidden in the image. AsMask can hide files and text messages into any format images.

Lizard Protector Web Content Security 2.01
Protect your HTML, web pages, web sites, elearning courses, images, ebooks, documents, PDF and flash files from unauthorized use and misuse. Stop copying and sharing. Determine if you content can be printed and if so, how many times. Control how long your content can be viewed. Strong US Government strength encryption with digital rights management (DRM) controls. No passwords for users to enter, manage, forget or pass on to others.

LockLizard Safeguard PDF Security 2.6.29
PDF document security software with US Government strength encryption and DRM digital rights management controls. Control who can view your PDF documents and how they are used. Stop copying, sharing, modifying, and screen grabbing. Control the number of views and prints or disallow printing altogether. Control when documents expire and instantly revoke them. No useless pdf password security. Complete PDF copy protection and PDF control.

MEO File Encryption Software 1.1
MEO is a powerful data encryption application to encrypt or decrypt files of any type, including Microsoft Word, Excel and PDF documents. MEO allows you to protect your sensitive data against un-authorized viewers by utilizing the latest data encryption technologies. Keep your documents safe and secure with this free data encryption software.

PDF Encrypt Tool 2.00
PDF Encrypt Tool V2.0 can be used to protect your PDF files with 128-bit strength user and owner passwords, set all permissions(such as coping, editing, printing, selecting text and graphics, fill in etc), and prevent PDF files from being printed, changed, copied, extracted, signed, filled, assembled and/or merged. It is the fast, affordable way to encrypt a lot of pdf files to encrypted pdf files once time for saving your time! Its easy-to-use i

Unbreakable Encryption Software 2.3.5
New encryption software package featuring a completely uncrackable encryption scheme. This tool is designed for the requirements of the undercover agents working in foreign countries, but may be extended to be used by journalists, lawyers, doctors, military personal etc. Data security software based on unbreakable encryption plus steganographic software. Steganography offers complete protection from data espionage.