The F# compiler, F# core library, F# language service, and F# tooling integration for Visual Studio

NEO Smart Economy

Aspire is the tool for code-first, extensible, observable dev and deploy.

ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.

Microsoft PowerToys is a collection of utilities that help you customize Windows and streamline everyday tasks

Mutation testing for .NET core and .NET framework!

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

Verify is a snapshot testing tool that simplifies the assertion of complex data models and documents.

A tacit array programming language

The official C# SDK for Model Context Protocol servers and clients. Maintained in collaboration with Microsoft.

The library for web and native user interfaces.

PowerShell for every system!

FSharp source code formatter

Virtual whiteboard for sketching hand-drawn like diagrams

A result abstraction that can be mapped to HTTP response codes if needed.

F# Language Specification

Powerful .NET library for benchmarking

A native functional ASP.NET Core web framework for F# developers.

JavaScript Style Guide

.NET news, announcements, release notes, and more!

A wrapper for HttpClient that caches to disk. Cached files, over the max specified, are deleted based on the last access times.

.NET Transactional Document DB and Event Store on PostgreSQL

Exemplary real world application built with Angular

Cloud Native application framework for .NET

We all edit.

An advanced profiler for .NET Applications on Windows

F# to JavaScript, TypeScript, Python, Rust and Dart Compiler

Interactive roadmaps, guides and other educational content to help developers grow in their careers.

A command line C# REPL with syntax highlighting – explore the language, libraries and nuget packages interactively.

21 Lessons, Get Started Building with Generative AI