Painless integration of ELMAH into ASP.NET MVC application
Essential.Diagnostics contains additional trace listeners, filters and utility classes for the .NET Framework System.Diagnostics trace logging. Included are colored console, SQL database, rolling file, Seq logging server, and in-memory trace listeners, expression filters, activity and logical operation scopes, and configuration file monitoring.
Exceptionless clients for the .NET platform
Windows log viewer for log4j
NLog - Advanced and Structured Logging for Various .NET Platforms
An advanced, composable, functional reactive model-view-viewmodel framework for all .NET platforms that is inspired by functional reactive programming. ReactiveUI allows you to abstract mutable state away from your user interfaces, express the idea around a feature in one readable place and improve the testability of your application.
Rollbar for .NET
Capture, view and filter your ASP.net core log events right from your app
Sentry SDK for .NET
Simple .NET logging with fully-structured events
Log exception details and custom properties that are not output in Exception.ToString().
Write Serilog events to files in text and JSON formats, optionally rolling on time or size
A Serilog sink that writes events to Microsoft SQL Server
Error handler used for the Stack Exchange network
A high-performance, zero-allocation .NET logging library.