SDProtector Pro 

SDProtector is a powerful tool offering both software developers and distributors a protection of software products against unauthorized copying, use and distribution.With SDProtector,it's easy to turn your application in "try-before-you-buy" version
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PELock 

bPELock/b - is an application that allows you to protect Windows executable files (so called exe-protector). Besides that, PELock allows easy creation of application of evaluation-demo type, which use license key system.
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VBOLock 

Create try-before-you-buy software, or run/time-limited demos. Bind powerful copy protection to any VB application. Wrap powerful protection to any application in seconds using just a few lines of code.
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