Do you use the best middle tier .NET libraries?

Don't waste time evaluating which middle tier .NET libraries to use. Most of the commonly used libraries are very similar in functionality. By sticking to a library, you can also increase your expertise in it, reducing development time in the future. Great products include:

• AutoFac (was StructureMap) for IoC
• Serilog and Seq (was Log4Net) for Logging and Tracing
• Application Insights (was ELAMH) for Usage Telemetry and Error Reporting