Zero allocation LINQ with Span and LINQ to SIMD, LINQ to Tree (FileSystem, Json, GameObject, etc.) for all .NET platforms and Unity.

Command-line program to download videos from YouTube.com and other video sites

A home for your business logic in any .NET application.

Password Safe - popular secure and convenient password manager

Portal 2 VR Mod

C# as you know it but with Go-inspired tooling (small, selfcontained, and native executables)

Compare binary sizes of canonical Hello World in 18 different languages

A library for running isolated .NET runtimes inside .NET

NUnit Framework

Reflection APIs over roslyn symbol APIs

A source generator for generating fast "reflection" methods for enums

Next generation API for .NET

Mutation testing for .NET core and .NET framework!

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This repo contains Minsk, a handwritten compiler in C#. It illustrates basic concepts of compiler construction and how one can tool the language inside of an IDE by exposing APIs for parsing and ty…

Fuzzer for the .NET toolchains, developed as a project for the 2018 Language-Based Security course at Aarhus University.

Prototype of running roslyn in the browser via Blazor

Cross platform code coverage for .NET

Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The most popular .NET UI client technology

.NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!

Cross Platform Terminal UI toolkit for .NET

Blazor moved to https://github.com/dotnet/aspnetcore

Efficient implementations of standard .NET collection interfaces using tree data structures

The official repo for the design of the C# programming language

A robust option type for C#

Create, read, modify, write and execute WebAssembly (WASM) files from .NET-based applications.

MOVED: Please see the new repo at https://github.com/aspnet/blazor