DotNetKey is a lightweight, developer-friendly solution for adding licensing and product key management to .NET applications. Created by Bui Duc Tien, it streamlines key generation, activation, and validation so you can protect your software without building a licensing system from scratch.
Designed to support common scenarios—such as trials, subscriptions, and perpetual licenses—DotNetKey offers a clear, modern API with practical defaults. It accommodates online and offline activation workflows, machine binding, and feature gating, while following established cryptographic best practices to help keep license data secure. The package is easy to integrate, well-documented, and suitable for cross-platform .NET projects.
DotNetKey is ideal for independent developers and teams who want to ship commercial .NET apps faster, reduce support overhead, and maintain control over how licenses are created and enforced.
DotNetKey is developed by Bui Duc Tien and is used by 2 users of Software Informer. The most popular versions of this product among our users are: 3.2 and 3.7. The names of program executable files are DotNetKey.exe, dotnetkey .exe.
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