Network Inventory Manager 

Network Inventory Manager is a tool that helps network administrators and help desk staff to more easily manage their networks, designed to track the equipment, servicing, software licencing and total cost of ownership of your computer network.
helpdesk help desk lan network administration inventory pim manage pc

Origin Keyring 

The package contains a dll to include to the encrypted software, a software generator, and sample programme to test the g?n?rated serials. The source files of these two programs are fully documented and free to modify/use/distribute.
protecting software serial numbers serial generator encrypting distributing shareware

Infralution Licensing System 

Infralution Licensing System (ILS) is an affordable, 100% .NET solution for licensing components and applications using simple and secure encrypted license keys.
dotnet .net control component license licence licensing