Read smart reviews:

• Manco .NET Licensing System - a 1-2-3 solution for product licensing and protection — When the last lines of your application and written and tested, one last step must be made to ensure a normal sales process — creation of the licensing scheme and the very mechanism that will allow you to offer different versions of the product and unlock the product for registered users. If your deadline is close and you haven’t figured out a way to quickly implement such a system, take a closer look…
• Instance Monitor Library - an easy way to protect your products from being used by more people than it is allowed by their licenses. — Licensing and segmentation questions may be very confusing, and when the time comes to implement a protection system in a software product, many developers face a serious dilemma of making one on their own or using a third-party solution. For time-saving purposes, the majority choose the latter, so if it’s your choice as well, you should definitely learn a bit more about Instance Monitor Library! Instance Monitor…