IntelliLock 3.0.0.0

Its? main features are :
Create trial versions of your software
Set an expiration date
Limit use to a fixed number of days after installation
Limit by number of executions
Limit the use of each invocation to a set number of minutes
Limit the use of your software to a total number of minutes
Custom locks ? Allows you to implement custom trial limitations
Easily turn your trial version into a fully licensed version using license files
Lock license files to a specific machine via Hardware ID
Lock license files to specific assembly attributes (company name, assembly version?)
Embedded license files. License files can be also stored as embedded resource in assemblies
Add custom license data to the license file (allows flexible license shema, modular licensing?)
Limit usage of the license files themselves to extend trial periods, accomplish subscription/time based license expiration?
Validate/Activate license files via your own License Server
Comprehensive license management
Manage your Products, Customers, Sales
License Tracker to track down license generations/requests
ASP.NET management interface generation ? Manage your data on a ASP.NET server
Embedded database ? No requirement for special databases (MS SQL, Oracle? )
Software development kit
100% managed SDK libraries
Integrate license checking into your assembly and extend licensing fuctionality
IntelliLock automatically merges the main SDK library (IntelliLock.Licensing.dll) with your assembly
Create license files ? Automate license file generation
Generate Hardware IDs
Extend licensing functions
Deactivate/Reactivate license files (via license server or reactivation code)
Use your own dialog box to show messages
Helper class to encrypt/decrypt, sign/validate data to support custom licensing algorithms
License management classes to manage your data on a ASP.NET server (data is stored using an embedded database)
More Information : http://visualbasic-6.com/intellilock.html