1)   .NET Encryption Library 1.09
Affordable, powerful, and easy to use .NET Encryption/Hashing/Compression Library. Encrypt sensitive information such as passwords, credit cards and social security numbers.
.NET Encryption, Encryption Library, Hashing, Compression,

 2)   ElecKey 2.0
ElecKey is the complete solution for software copy protection, software license management, and secure electronic software distribution system. ElecKey provides software security that helps to protect your software applications against piracy.
software copy protection, software registration system, software protection, software locking, software licensing, software license management, secure software distribution, electronic software distribution system, .NET encryption,