Top 20 NuGet debugger Packages

An extension method for the Linq and DLR Expression classes and set of Debugger Visualizers to produce readable, source-code string versions of Expression Trees. Targets .NETStandard 1.0+ and .NET 3.5+.
Monitors exceptions in your application and automatically collects snapshots for offline analysis.
Debugger for Elmish apps
Recommended Google client library to access the Google Cloud Debugger API.
A browser-based, remote debugger for Mond scripts.
Visual Studio Debug Helper for ChildProcesses attaches the Visual Studio debugger automatically to any started child process with the ChildProcesses library.
Codemander Debugger Site Extension for debugging web sites in Codemander IDE
Ratchet Windows Debugger is a library part of the ratchet project that allows the use of the native windows debugger API within a .NET application
Sitecore.Glimpse is a Glimpse plugin for debugging and gaining diagnostics from Sitecore powered websites
Sitecore.Glimpse.MVC5 is a Glimpse plugin for debugging and gaining diagnostics from Sitecore powered websites
Sets up an ASP.NET Area with a JsTraceController in order to facilitate sending JsTrace messages to the server
JsTrace allows you to heavily instrument your JavaScript code without flooding the console with messages. It has "Trace Levels" (off, error, warn, info, debug, log), which allow you to fine-tune what amount of trace information comes out of each area or module of your code. It additionally supports ...
Sitecore Glimpse MVC3
Several libraries which can be used to control the Mono debugger.
Blackbird offers a dead-simple way to log messages in JavaScript and an attractive console to view and filter them. You might never use alert() again. The code (blackbird.js, blackbird.css) and image assets (blackbird_panel.png, blackbird_icons.png) were created by G. Scott Olson.