Solid Encryption 1.21
This gives you access to unbreakable OTP encryption. You can encrypt to and from files or directly to the clipboard. Paste cipher-text directly into text documents. Generate real random keys with no more than a radio and a sound card. One-Time Pad (OTP) encryption a.k.a. infinite key encryption. OTP encryption is absolutely unbreakable if used correctly. This system is well known and has been used for a long time by various intelligence agencies

Kremlin Encrypt (for Mac OS) 3.0
Kremlin builds a wall around your data, protecting your data from intruders. You can encrypt/decrypt files with RC4 and Blowfish in one click and securely delete files by dragging them to the Kremlin Secure Recycle Bin. The Kremlin Sentry schedules itself to secure your hard disk and memory to wipe all records of your activities. Kremlin Text is a secure word processor with encrypted e-mail capabilities.

NCrypt TX 2.1
This text based encryption tool allows easy message hiding, to be used in e-mail, messenger and other communications. NCrypt TX also has Steganography capabilities on random generated text. It supports DES, Rijndael-AES, SHA, and MD5 algorithms, as well as historical algorithms such as ROT13 and Vigenere. Convert your text messages into a sequence of encrypted hexadecimal or Base64 characters.

Wincph encryption software 4.7
file and folder encryption software.It protect the privacy of your sensitive files and e-mail messages by encrypting them with the highest level of security.Includes ability to store several files and folders in one encrypted archive. Ability to make self-decrypted Archive. Drag and Drop support.hides them within a graphic file. It is integrated into Windows Context Menu.

Secure Storage Pro 1.3
Want to be absolutely sure your data is always protected? Want to have your files encrypted but don't want to hinder access to them? Get Secure Storage Pro, a virtual disk utility that encrypts data on the fly. Place all your confidential data (files, documents, pictures, e-mails, etc) onto a virtual disk and set the password. Only the password bearer will be able to access data, the others won't even know it's there! 100% FREE Trial.

Insider 3.02
Insider creates compressed archives and works with these files while the archives themselves are not evident on the user’s computer. They are strongly encrypted and hidden inside image files (containers). The encoding program is also hidden inside another neutral program. As a result your computer has neither secret files nor obvious programs for encrypting information or secrets. These hidden archives are processed as easily as any other file.