Stars
A wrapper executable that can run any executable as a Windows service, in a permissive license.
Powerful .NET library for benchmarking
.NET (WPF and Windows Forms) bindings for the Chromium Embedded Framework
PerfView is a CPU and memory performance-analysis tool
Source from the Microsoft .NET Reference Source that represent a subset of the .NET Framework
A simple but effective mini-profiler for ASP.NET (and Core) websites
Build Cross Platform HTML Desktop Apps on .NET using native GUI, HTML5, JavaScript, CSS, Owin, AspNetCore (MVC, RazorPages, Blazor)
A modern file tail utility based on Rx.Net which show cases reactive programming and Dynamic Data (see https://github.com/RolandPheasant/DynamicData)
Fast .NET JSON (De)Serializer, Built On Sigil
A library to provide pooling for .NET MemoryStream objects to improve application performance.
Coyote is a library and tool for testing concurrent C# code and deterministically reproducing bugs.
A .NET library for carefully refactoring critical paths. It's a port of GitHub's Ruby Scientist library
Microsoft.Diagnostics.Runtime is a set of APIs for introspecting processes and dumps.
A fail-fast validating helper for .NET CIL generation
Linq-like extension functions for Arrays, Span<T>, and List<T> that are faster and allocate less.
Get SQL Server notification on record table change
ApprovalTest verification library for .Net
Managed Extensibility Framework (MEF) implementation used by Visual Studio
Assists in performing Roslyn-based code generation during a build.
JSON library for .NET 2.0+/SL4+/WP7/WindowsStore with optional support for dynamic and DataContract
LZ4 - ultra fast compression algorithm - for all .NET platforms