Top 20 NuGet timing Packages

CoreProfiler.Wcf - A .NET Core Profiling Library
Lightweight profiler that supports async and parallelism in code, and features an extensible API.
Enables the profiling of .NET applications written using the Nancy framework.
A simple REST API for LiveProfiler.
An extension to LiveProfiler that turns transactions and steps metrics into performance counters.
An extension to LiveProfiler that streams profiler events to the LiveProfiler Desktop Monitor.
Contains middleware for timing requests
Time library is a small .net standard lib created to allow using Time without DateTime structure. It could be helpful while you are building clock or timer.
MiniProfiler extensions and helpers for ASP.NET MVC 4+
MiniProfiler integration for Entity Framework 6
Lightweight mini-profiler, in particular designed for ASP.NET MVC sites