A very simple to use licensing system for .NET applications
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SKGL – Serial Key Generating Library

SKGL is a very simple licensing system that can be used to protect .NET Applications. It's predecessor is Cryptolens (https://cryptolens.io) - a licensing system as a service (SaaS).

This page is still under construction. Please see the CodePlex site in mean time: https://archive.codeplex.com/?p=skgl


  • Create and validate human-readable serial keys.
  • Simple 20 characters format: MUYVD-LSEBY-CXHRQ-XFAGY.
  • Add eight different features.
  • Set a time limit. (Max 999 days).
  • Lock a key for a specific machine.