Top 20 NuGet performance Packages

A framework for running stress tests against random generators, including assertions of event spacing
High performance library for accepting single requests, accumulate them and process them simultaneously in a batching manner.
Framework for .NET Framework 4.6.1 or greater, and .NET Core 2.0 or greater, to generate measurements about the times consumed by a method. You can execute a method more than 1 time at the same time to measure all times consumed by each execution, getting the average time consumed in total.
A library to fast deserialize xml format.
MiniProfiler: Profiler storage for SQL Server
Yeppp! is a multi-platform high-performance SIMD-optimized mathematical library. Yeppp! provides optimized operations on vectors, such as vector addition, dot product, sum of absolute values, or exponential of vector elements. This is a multi-platform CLR bundle which internally contains platform...
A WebView that does not delay Activity creation, has built-in Progressbar and configurable through XML.
No-nonsense, high performance pub-sub for distributing time-critical data over UDP.
Lightweight metrics provider for performance measurement (Graphite client, etc...)
Lib.AspNetCore.ClientHints is a library which provides support to ASP.NET Core for set of HTTP request header fields, colloquially known as Client Hints, which allow user agents to indicate device and agent specific preferences.
No-nonsense, high performance pub-sub for distributing time-critical data over UDP.
Shared interfaces and extension methods for Performance Counters and Logging.
With AppDynamics for Windows Azure, users can now: - Monitor the health of their Windows Azure solution - Troubleshoot performance problems in real time - Rapidly diagnose root cause of performance problems - Dynamically scale up and scale down their Windows Azure application...
With AppDynamics for Windows Azure, users can now: - Monitor the health of their Windows Azure solution - Troubleshoot performance problems in real time - Rapidly diagnose root cause of performance problems - Dynamically scale up and scale down their Windows Azure application...
ZeroReact tools for AspNetCore, sample here (https://github.com/DaniilSokolyuk/ZeroReact.NET)
Almost zero allocations and truly async alternative to ReactJS.NET