|Check user credentials with topic restriction from a JSON file in the MQTTnet.Server.|[Link](https://github.com/SeppPenner/NetCoreMQTTExampleJsonConfig)|
|Check user credentials (hashed user passwords) with topic restriction from a JSON file in the MQTTnet.Server.|[Link](https://github.com/SeppPenner/NetCoreMQTTExampleJsonConfigHashedPasswords)|
|Check user credentials with topic restriction from a database in the MQTTnet.Server.|[Link](https://github.com/SeppPenner/NetCoreMQTTExampleIdentityConfig)|
|Check user credentials with topic restriction from a database using [Asp.Net Identity](https://docs.microsoft.com/en-US/aspnet/identity/overview/getting-started/introduction-to-aspnet-identity)in the MQTTnet.Server.|[Link](https://github.com/SeppPenner/NetCoreMQTTExampleIdentityConfig)|
|Check user credentials with topic restriction from a database in the MQTTnet.Server.|[Link](https://github.com/SeppPenner/NetCoreMQTTExampleDapperConfig)|
|Simple WinForms server application (By [@grammyleung](https://github.com/grammyleung)).|[Link](https://github.com/SeppPenner/MQTTnet.TestApp.SimpleServer)|
