CyoLicence is a program licence management system, providing application protection and licencing to Windows software developers using secure RSA public-key encryption.

CyoLicence was developed by Cyotec Systems originally for internal use. However, upon realising the potential for a low-cost yet powerful software protection system, it was decided to release CyoLicence as a commercial product.

Here are some key features of "CyoLicence":

· Protects software applications;
· Guarantees the authenticity of licences;
· Licences can optionally be encrypted;
· Authentication system is uniform and reusable across multiple user projects;
· Generates 100% user-customisable licence data;
· Licences can be restricted to a single machine/hard disk;
· Licences can be restricted to a network MAC address;
· Generates verification source code in Visual C++, Visual C#, and Visual Basic;
· Licences can now be created via the command line or external programs and scripts, for e-commerce websites and automated licence generation (Professional edition only);
· Choice between MD5 and SHA-1 hash algorithms when signing licences
· Uses the Win32 CryptoAPI interface;
· Intuitive and easy to use interface!


Limitations:

· 30 days trial.