License&Security 

Integrate licensing into your applications and maintain a database of your licensees. Protect your software against piracy by using hash, checksums, antidebugging and antimonitoring. It includes functions of enciphering and the digital signature.
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WinLicense 

WinLicense Combines the power of software protection, with the power of advanced license control. It offers a wide range of powerful and flexible techniques that allow developers to securely distribute trial versions of their applications.
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