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I wrote a software product and want to sell it online. The same code source offers all the features, but I only want to activate "Standard" and "Pro" features based on what the customer purchases.

Ideally, the product works with the purchasing workflow, like this:

  • Customer purchases the "Standard" or "Pro" SKU on my website.
  • Customer receives an email with the license key.
  • When the customer opens my product, it knows from the license key what features (Standard or Pro, for example) the customer purchased and activates.
  • The customer upgrades on my website and they get a new key via email.
  • Customer enters a new serial number and go from, say, Standard to Pro.

Since I am using Wordpress, I tried the WooCommerce software add-on but it just generates a serial number. It does not provide the ability to define a unique code that allows me to determine what features the customer is receiving.

Can you recommend a good solution? I am new at this and I have a small budget (

Thanks for any help.

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It had been more helpful if you had given us some more details like how many licenses are you planning to sell. I can recommend Portable.Licensing (GitHub). It handles both the hassles of your web-based end and software front end.

Portable.Licensing is a cross platform software licensing framework which allows you to implement licensing into your application or library. It provides you all tools to create and validate licenses for your software.

Portable.Licensing is using the latest military strength, state-of-the-art cryptographic algorithm to ensure that your software and thus your intellectual property is protected.

It is targeting the Portable Class Library and thus runs on nearly every .NET/Mono profile including Silverlight, Windows Phone, Windows Store App, Xamarin.iOS, Xamarin.Android, Xamarin.Mac and XBox 360. Use it for your Desktop- (WinForms, WPF, etc.), Console-, Service-, Web- (ASP.NET, MVC, etc.), Mobile (Xamarin.iOS, Xamarin.Android) or even LightSwitch applications.

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    Hello. Thank you for the recommendation and I will take a look. FYI, I did not state in my question what language I am using, but I do tag the post as C#. – Bill Aug 19 '16 at 20:53

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