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.

PDF Encrypt COM/SDK 3.0
PDF Encrypt software is a very flexible and powerful program, PDF Encrypt software allows you to encrypt (using standard 40-bit or 128-bit or AES encryption ) existing PDFs, set permissions, add user and owner password. For example you can encrypt a PDF without to allow to print it.

PDF Encrypt COM/SDK Unlimited License 3.0
PDF Encrypt software is a very flexible and powerful program, PDF Encrypt software allows you to encrypt (using standard 40-bit or 128-bit or AES encryption ) existing PDFs, set permissions, add user and owner password. For example you can encrypt a PDF without to allow to print it.

WinLicense 1.960
WinLicense is a powerful protection system designed for software developers who wish to protect their applications against advanced reverse-engineering and software cracking. Developers do not need any source code changes or programming experience to protect their applications with WinLicense .

Chilkat Python Encryption Library 4.0
The Chilkat Python encryption library provides an advanced API for symmetric encryption, public-key encryption, digital signatures, hashing, and encoding/decoding.