All downloaded are available on GitHub. Please check the links below.

Commercial Solutions

OPC UA Solution .NET Samples
This repository contains the samples for the OPC UA Solution .NET. Develop OPC UA compliant Clients & Servers with C# targeting .NET 7.0 or .NET 6.0. For backward compatibility we also provide .NET 4.8, .NET 4.7.2 and .NET 4.6.2 support.
OPC UA Solution .NET
OPC UA Solution .NET Source
This repository contains the source of the OPC UA Solution .NET libraries UaConfiguration, UaClient, UaServer, UaBaseServer and UaStandardServer. License mechanism is in UaCore, which is not delivered as source. So you still need a valid license!
OPC UA Solution .NET