microsoft

Visual Studio Code

Python tool for converting files and office documents to Markdown.

Microsoft PowerToys is a collection of utilities that supercharge productivity and customization on Windows

21 Lessons, Get Started Building with Generative AI

TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

The new Windows Terminal and the original Windows console host, all in the same place!

24 Lessons, 12 Weeks, Get Started as a Web Developer

Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

12 weeks, 26 lessons, 52 quizzes, classic Machine Learning for all

18 Lessons to Get Started Building AI Agents

12 Weeks, 24 Lessons, AI for All!

A programming framework for agentic AI

Open-Source Frontier Voice AI

Qlib is an AI-oriented Quant investment platform that aims to use AI tech to empower Quant Research, from exploring ideas to implementing productions. Qlib supports diverse ML modeling paradigms, including supervised learning, market dynamics modeling, and RL, and is now equipped with https://github.com/microsoft/RD-Agent to automate R&D process.

A browser based code editor

Official inference framework for 1-bit LLMs

10 Weeks, 20 Lessons, Data Science for All!

Playwright MCP server

A modular graph-based Retrieval-Augmented Generation (RAG) system

Windows Subsystem for Linux

Windows Calculator: A simple yet powerful calculator that ships with Windows

Integrate cutting-edge LLM technology quickly and easily into your apps

This is a fun, new monospaced font that includes programming ligatures and is designed to enhance the modern look and feel of the Windows Terminal.

C++ Library Manager for Windows, Linux, and MacOS

WinGet is the Windows Package Manager. This project includes a CLI (Command Line Interface), PowerShell modules, and a COM (Component Object Model) API (Application Programming Interface).

Staging repo for development of native port of TypeScript

A simple screen parsing tool towards pure vision based GUI agent

JARVIS, a system to connect LLMs with ML community. Paper: https://arxiv.org/pdf/2303.17580.pdf

Microsoft REST API Guidelines

Large-scale Self-supervised Pre-training Across Tasks, Languages, and Modalities

ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator

Fluent UI web represents a collection of utilities, React components, and web components for building web applications.

Open source simulator for autonomous vehicles built on Unreal Engine / Unity, from Microsoft AI & Research

The absolute trainer to light up AI agents.

A framework for building native Windows apps with React.

This open-source curriculum introduces the fundamentals of Model Context Protocol (MCP) through real-world, cross-language examples in .NET, Java, TypeScript, JavaScript, Rust and Python. Designed for developers, it focuses on practical techniques for building modular, scalable, and secure AI workflows from session setup to service orchestration.

12 Weeks, 24 Lessons, IoT for All!

🪄 Data Formulator is an interactive AI-powered data analysis system makes it easy to connect, explore and visualize data.

SkillOpt is a text-space optimizer that trains reusable natural-language skills for frozen LLM agents through trajectory-driven edits, validation-gated updates, and deployable best_skill.md artifacts.

This is an official implementation for "Swin Transformer: Hierarchical Vision Transformer using Shifted Windows".

Static Type Checker for Python

This repo is the official home of .NET on GitHub. It's a great starting point to find many .NET OSS projects from Microsoft and the community, including many that are part of the .NET Foundation.

Python version of the Playwright testing and automation library.

Beginner, advanced, expert level Rust training material

We all edit.

Research and development (R&D) is crucial for the enhancement of industrial productivity, especially in the AI era, where the core aspects of R&D are mainly focused on data and models. We are committed to automating these high-value generic R&D processes through R&D-Agent, which lets AI drive data-driven AI. 🔗https://aka.ms/RD-Agent-Tech-Report

AI education materials for Chinese students, teachers and IT professionals.

Code for loralib, an implementation of "LoRA: Low-Rank Adaptation of Large Language Models"

Official repo for paper "Structured 3D Latents for Scalable and Versatile 3D Generation" (CVPR'25 Spotlight).

mimalloc is a compact general purpose allocator with excellent performance.

A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .NET.

Defines a common protocol for language servers.

CLI for common Playwright actions. Record and generate Playwright code, inspect selectors and take screenshots.

Rust for Windows

Garnet is a remote cache-store from Microsoft Research that offers strong performance (throughput and latency), scalability, storage, recovery, cluster sharding, key migration, and replication features. Garnet can work with existing Redis clients.

Enabling the Windows Subsystem for Linux to include support for Wayland and X server related scenarios

Build high-quality LLM apps - from prototyping, testing to production deployment and monitoring.

Azure Data SQL Samples - Official Microsoft GitHub Repository containing code samples for SQL Server, Azure SQL, Azure Synapse, and Azure SQL Edge

MSVC's implementation of the C++ Standard Library.

The Microsoft community Windows Package Manager manifest repository

Native and Compact Structured Latents for 3D Generation

Fluent System Icons are a collection of familiar, friendly and modern icons from Microsoft.

IDE style command line auto complete

The source for the Linux kernel used in Windows Subsystem for Linux 2 (WSL2)

Sample code illustrating the VS Code extension API.

A collection of familiar, friendly, and modern emoji from Microsoft

MagenticLite is an experimental agent that works across the browser and local file system

Best Practices, code samples, and documentation for Computer Vision.

API samples for the Universal Windows Platform.

The adaptive interface system for modern web experiences.

UFO³: Weaving the Digital Agent Galaxy

TypeChat is a library that makes it easy to build natural language interfaces using types.

A multi-module course teaching everything you need to know about using GitHub Copilot as an AI Peer Programming resource.

WinUI: a modern UI framework with a rich set of controls and styles to build dynamic and high-performing Windows applications.

Experience, Learn and Code the latest breakthrough innovations with Microsoft AI

This repo contains driver samples prepared for use with Microsoft Visual Studio and the Windows Driver Kit (WDK). It contains both Universal Windows Driver and desktop-only driver samples.

LLM-powered multiagent persona simulation for imagination enhancement and business insights.

Visually explore, understand, and present your data.

8 Lessons, Kick-start Your Cybersecurity Learning.

This repo contains the DirectX Graphics samples that demonstrate how to build graphics intensive applications on Windows.

Guidelines Support Library

Fast persistent recoverable log and key-value store + cache, in C# and C++.

[EMNLP'23, ACL'24] To speed up LLMs' inference and enhance LLM's perceive of key information, compress the prompt and KV-Cache, which achieves up to 20x compression with minimal performance loss.

Public documentation for Visual Studio Code

Send a phone call from AI agent, in an API call. Or, directly call the bot from the configured phone number!

Monorepo for tools developed by the Rush Stack community

Detours is a software package for monitoring and instrumenting API calls on Windows. It is distributed in source code form.

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

Fara1.5 – A family of frontier computer use agent models

Official repository for the Microsoft C/C++ extension for VS Code.

AI Agent Governance Toolkit — Policy enforcement, zero-trust identity, execution sandboxing, and reliability engineering for autonomous AI agents. Covers 10/10 OWASP Agentic Top 10.

Virtual File System for Git: Enable Git at Enterprise Scale

This repository is for the legacy Mixed Reality Toolkit (MRTK) v2. For the latest version of the MRTK please visit https://github.com/MixedRealityToolkit/MixedRealityToolkit-Unity

Lightweight dependency injection container for JavaScript/TypeScript

A simple SWE style browser agent framework that achieves SOTA results on long horizon web tasks.

Ethr is a Comprehensive Network Measurement Tool for TCP, UDP & ICMP.

It's sudo, for Windows

MMdnn is a set of tools to help users inter-operate among different deep learning frameworks. E.g. model conversion and visualization. Convert models between Caffe, Keras, MXNet, Tensorflow, CNTK, PyTorch Onnx and CoreML.

All things prompt engineering

Repository for WPF related samples

This repo contains samples that demonstrate the API used in Windows classic desktop applications.

General purpose Linux OS for Azure

Simple and Distributed Machine Learning Python Library porting ML algorithms for Spark

Coreutils for Windows: Installer & Packaging

A distributed approximate nearest neighborhood search (ANN) library which provides a high quality vector index build, search and distributed online serving toolkits for large scale vector search scenario.

A doc comment standard for TypeScript

Prompt Orchestration Markup Language

Muzic: Music Understanding and Generation with Artificial Intelligence

Library for building distributed, real-time collaborative web applications

Microsoft Fluent UI Blazor components library. For use with ASP.NET Core Blazor applications

Cross-platform, C implementation of the IETF QUIC protocol, exposed to C, C++, C# and Rust.

PerfView is a CPU and memory performance-analysis tool

A Linux version of the Procmon Sysinternals tool

The Windows App SDK empowers all Windows desktop apps with modern Windows UI, APIs, and platform features, including back-compat support, shipped via NuGet.

VS Code extension that allows you to record and play back guided tours of codebases, directly within the editor.

General technology for enabling AI capabilities w/ LLMs and MLLMs

A source code analyzer built for surfacing features of interest and other characteristics to answer the question 'What's in the code?' quickly using static analysis with a json based rules engine. Ideal for scanning components before use or detecting feature level changes.

A fast library for AutoML and tuning. Join our Discord: https://discord.gg/Cppx2vSPVP.

The Python Risk Identification Tool for generative AI (PyRIT) is an open source framework built to empower security professionals and engineers to proactively identify risks in generative AI systems.

A fast and reliable .NET Rules Engine with extensive Dynamic expression support

System for AI Education Resource.

Visual Studio Code Remote Development: Open any folder in WSL, in a Docker container, or on a remote machine using SSH and take advantage of VS Code's full feature set.

Windows Application Driver

Microsoft SEAL is an easy-to-use and powerful homomorphic encryption library.

Task-Aware Agent-driven Prompt Optimization Framework

🪄 Flint is a visualization language that lets AI agents reliably create expressive, good-looking charts from simple, human-editable chart specs.

OpenAPI based HTTP Client code generator

This is a Phi Family of SLMs book for getting started with Phi Models. Phi a family of open sourced AI models developed by Microsoft. Phi models are the most capable and cost-effective small language models (SLMs) available, outperforming models of the same size and next size up across a variety of language, reasoning, coding, and math benchmarks

better agentic engineering

Research programming language for concurrent ownership

Tasks for Azure Pipelines

Agent Package Manager

This repo hosts the source for the DirectX Shader Compiler which is based on LLVM/Clang.

Desktop app that records your on-screen work session and uses the GitHub Copilot CLI to reconstruct it as an intent + ordered steps, then builds a reusable Skill or Automation for Microsoft Scout, Microsoft Copilot Cowork, or Copilot Studio.

Catalog of official Microsoft MCP (Model Context Protocol) server implementations for AI-powered data access and tool integration

This app demonstrates the controls available in WinUI and the Fluent Design System.

eBPF implementation that runs on top of Windows

Hummingbird compiles trained ML models into tensor computation for faster inference.

Debugging, monitoring and visualization for Python Machine Learning and Data Science

Source from the Microsoft .NET Reference Source that represent a subset of the .NET Framework

Power Fx low-code programming language

Prototype for a Metadata Reflection API for ECMAScript

Curated lessons on getting started building agents with Copilot Studio

Automatic Generation of Visualizations and Infographics using Large Language Models

eBPF distributed networking observability tool for Kubernetes

Foundation Architecture for (M)LLMs

A Linux version of the ProcDump Sysinternals tool

Reliable, open-source crash reporting for iOS, macOS and tvOS

Service Fabric is a distributed systems platform for packaging, deploying, and managing stateless and stateful distributed applications and containers at large scale.

Five lessons, learn how to really apply AI to your .NET Applications

.NET version of the Playwright testing and automation library.

Windows Implementation Library

Skills, MCP servers, Custom Agents, Agents.md for SDKs to ground Coding Agents

Attack Surface Analyzer can help you analyze your operating system's security configuration for changes during software installation.

Table Transformer (TATR) is a deep learning model for extracting tables from unstructured documents (PDFs and images). This is also the official repository for the PubTables-1M dataset and GriTS evaluation metric.

RESTler is the first stateful REST API fuzzing tool for automatically testing cloud services through their REST APIs and finding security and reliability bugs in these services.

The DirectX Tool Kit (aka DirectXTK) is a collection of helper classes for writing DirectX 11.x code in C++

Template Studio accelerates the creation of new WinUI 3, WPF, and UWP apps using a wizard-based experience.

[CVPR'25 Oral] MoGe: Unlocking Accurate Monocular Geometry Estimation for Open-Domain Images with Optimal Training Supervision

PostgreSQL in-database durable execution

Microsoft AI

VSCode extension for React Native - supports debugging and editor integration

A behavioral analytics library that uses dom mutations and user interactions to generate aggregated insights.

This is the playbook for "code-with" customer or partner engagements

Resource scheduling and cluster management for AI

A security-focused library OS supporting kernel- and user-mode execution

GitHub Pull Requests for Visual Studio Code

Grounded Language-Image Pre-training

Microsoft on GitHub

⚠️DirectML is in maintenance mode ⚠️ DirectML is a high-performance, hardware-accelerated DirectX 12 library for machine learning. DirectML provides GPU acceleration for common machine learning tasks across a broad range of supported hardware and drivers, including all DirectX 12-capable GPUs from vendors such as AMD, Intel, NVIDIA, and Qualcomm.

Python Tools for Visual Studio

The Website and web infrastructure for learning TypeScript

ResearchStudio: Our AI co-author, from research problem to final publication.

A source generator to add a user-defined set of Win32 P/Invoke methods and supporting types to a C# project.

Free, open-source web app for learning about ontologies and Microsoft Fabric IQ. Explore a catalogue of pre-built ontologies, design your own visually, export as RDF/XML, and share interactive diagrams. Zero backend, fully static.

PIKE-RAG: sPecIalized KnowledgE and Rationale Augmented Generation

Graphormer is a general-purpose deep learning backbone for molecular modeling.

An implementation of the Debug Adapter Protocol for Python

Scenarios, tutorials and demos for Autonomous Driving

CLI tool that uses Codex to turn natural language commands into their Bash/ZShell/PowerShell equivalents

Real-time collaborative development from the comfort of your favorite tools

Olive: Simplify ML Model Finetuning, Conversion, Quantization, and Optimization for CPUs, GPUs and NPUs.

Accurate 3D Face Reconstruction with Weakly-Supervised Learning: From Single Image to Image Set (CVPRW 2019)

Microsoft MakeCode (PXT - Programming eXperience Toolkit)

Microsoft Graph Engine

Computer generated building footprints for the United States

Research project. A Memory solution for users, teams, and applications.

Large Language-and-Vision Assistant for Biomedicine, built towards multimodal GPT-4 level capabilities.

Sysmon for Linux

DirectXTex texture processing library

A library to provide pooling for .NET MemoryStream objects to improve application performance.

Documentation and issues for Pylance

Community for applying LLMs to robotics and a robot simulator with ChatGPT integration

MLOps examples

Power BI Desktop sample files for the monthly release. Here you can find the PBIX files used in the monthly release videos.

AICI: Prompts as (Wasm) Programs

The SBOM tool is a highly scalable and enterprise ready tool to create SPDX 2.2 compatible SBOMs for any variety of artifacts.

AI Red Teaming playground labs to run AI Red Teaming trainings including infrastructure.

The task library that just works

📐⚙ 2D vector line drawing and shape modeling for CNC and laser cutters.

Fork pseudoterminals in Node.JS

Microsoft Web Template Studio quickly builds web applications using a wizard-based UI to turn your needs into a foundation of best patterns and practices

Microsoft Threat Intelligence Security Tools

The MCP server for Azure DevOps, bringing the power of Azure DevOps directly to your agents.

Sample code for Power Apps, including Dataverse, model-driven apps, canvas apps, Power Apps component framework, portals, and AI Builder.

A DAP-compatible JavaScript debugger. Used in VS Code, VS, + more

A new way for developers to exchange card content in a common and consistent way.

Message passing based allocator

VSCode extension to integrate eslint into VSCode

A collection of Power BI samples for developer use.

Worldwide building footprints derived from satellite imagery

[CVPR 2025] Magma: A Foundation Model for Multimodal AI Agents

Automate the setup and configuration of your Windows development environment.

Sample code for a simple web chat experience through Azure OpenAI, including Azure OpenAI On Your Data.

Platform that enables Windows driver development in Rust

A vector indexing library to bring fast, fresh and filtered search to your database

Azure Pipelines Agent 🚀

A collection of challenge based hack-a-thons including student guide, coach guide, lecture presentations, sample/instructional code and templates. Please visit the What The Hack website at: https://aka.ms/wth

Visual Studio Code SQL Server extension.

Win2D is an easy-to-use Windows Runtime API for immediate mode 2D graphics rendering with GPU acceleration. It is available to C#, C++ and VB developers writing apps for the Windows Universal Platform (UWP). It utilizes the power of Direct2D, and integrates seamlessly with XAML and CoreWindow.

A lightning fast Finite State machine and REgular expression manipulation library.

Microsoft Drivers for PHP for SQL Server

Official Microsoft repository for SQL Server in Docker resources

Home of OpenVMM and OpenHCL

Scripts to simplify setting up a Windows developer box

C++/WinRT

CodeXGLUE

This is a collection of our NAS and Vision Transformer work.

Responsible AI Toolbox is a suite of tools providing model and data exploration and assessment user interfaces and libraries that enable a better understanding of AI systems. These interfaces and libraries empower developers and stakeholders of AI systems to develop and monitor AI more responsibly, and take better data-driven actions.

The Common Data Model (CDM) is a standard and extensible collection of schemas (entities, attributes, relationships) that represents business concepts and activities with well-defined semantics, to facilitate data interoperability. Examples of entities include: Account, Contact, Lead, Opportunity, Product, etc.

Official implementation of MatterGen -- a generative model for inorganic materials design across the periodic table that can be fine-tuned to steer the generation towards a wide range of property constraints.

A fork of Windows Terminal with native agent integration, right in your command line.

Node.js Tools for Visual Studio

Microsoft.Recognizers.Text provides recognition and resolution of numbers, units, date/time, etc. in multiple languages (ZH, EN, FR, ES, PT, DE, IT, TR, HI, NL. Partial support for JA, KO, AR, SV). Packages available at: https://www.nuget.org/profiles/Recognizers.Text, https://www.npmjs.com/~recognizers.text

DirectXMath is an all inline SIMD C++ linear algebra library for use in games and graphics apps

A highly-customizable web-based client for Azure Bot Services.

An experimentation and research platform to investigate the interaction of automated agents in an abstract simulated network environments.

Language server protocol implementation for VSCode. This allows implementing language services in JS/TS running on node.js

MarS: a Financial Market Simulation Engine Powered by Generative Foundation Model

Defines a common protocol for debug adapters.

maximal update parametrization (µP)

The DirectX Tool Kit (aka DirectXTK12) is a collection of helper classes for writing DirectX 12 code in C++

Modern, scalable tools. Exceptional developer experience.

Microsoft Public GDK

CMake Tools provides a robust, convenient workflow for CMake projects in VS Code. It simplifies configurations with CMake presets, supports IntelliSense and built-in debugging for CMake scripts, and offers configurable tasks. Its customizable interface allows for efficient project control, while also simplifying test execution and monitoring.

This repository provides code for machine learning algorithms for edge devices developed at Microsoft Research India.

Azure Resource Inventory - It's a Powerful tool to create EXCEL inventory from Azure Resources with low effort

Examples for using ONNX Runtime for machine learning inferencing.

This course is designed to guide beginners through the exciting world of Edge AI, covering fundamental concepts, popular models, inference techniques, device-specific applications, model optimization, and the development of intelligent Edge AI agents.

Visual Studio Code extension generator

The OpenAPI.NET SDK contains a useful object model for OpenAPI documents in .NET along with common serializers to extract raw OpenAPI JSON and YAML documents from the model.

Coyote is a library and tool for testing concurrent C# code and deterministically reproducing bugs.

Toolbox repository for Tiger team

A Unified Semi-Supervised Learning Codebase (NeurIPS'22)

[arXiv 2023] Set-of-Mark Prompting for GPT-4V and LMMs

Java version of the Playwright testing and automation library

VS Code Jupyter extension

Scalar: A set of tools and extensions for Git to allow very large monorepos to run on Git without a virtualization layer

A tool to wrap Win32 App and then it can be uploaded to Intune

A set of tools for graph layout and viewing

An open-source project for Windows developers to learn how to add AI with local models and APIs to Windows apps.

Tooling to generate metadata for Win32 APIs in the Windows SDK.

This repo contains the scripts, models, and required files for the Deep Noise Suppression (DNS) Challenge.

Pairwise Independent Combinatorial Tool

Official Implementation of "KBLaM: Knowledge Base augmented Language Model"

Unified-Modal Speech-Text Pre-Training for Spoken Language Processing

​TextWorld is a sandbox learning environment for the training and evaluation of reinforcement learning (RL) agents on text-based games.

A react-native component library that implements the Fluent Design System.

Official agent plugin providing skills and MCP server configurations for Azure scenarios.

DISKSPD is a storage load generator / performance test tool from the Windows/Windows Server and Cloud Server Infrastructure Engineering teams

🤖 💼 Azure Chat Solution Accelerator powered by Azure Open AI Service

Security Research from the Microsoft Security Response Center (MSRC)

A service that implements the FHIR standard

A refined collection of Hypervelocity Engineering components (instructions, prompts, agents, and skills) to start your project off right, or upgrade your existing projects to get the most out of GitHub Copilot

This is a code sample to make it easier to use FFmpeg in Windows applications.

Runtime library for TypeScript helpers.

WDF makes it easy to write high-quality Windows drivers

Tools and documentation for Win32 app isolation

roosterjs is a framework-independent javascript rich text editor.

Tool for parsing GC logs

Azure Local (formerly Azure Stack HCI), Windows 10 and Windows Server rapid lab deployment scripts

Azure Pipelines YAML examples, templates, and community interaction

Exchange Server support tools and scripts

CLI / Framework for Agent Skills - create, test, measure and improve skill quality and effectiveness

CSS-in-JS with ahead-of-time compilation ⚡️

This is a repository for Microsoft Power Automate, Power Apps, and Azure Logic Apps connectors

Samples for building your own Visual Studio extensions

Trill is a single-node query processor for temporal or streaming data.

Join a time-traveling adventure where you meet history’s legends while learning Generative AI technologies! ✨

Prompty makes it easy to create, manage, debug, and evaluate LLM prompts for your AI applications. Prompty is an asset class and format for LLM prompts designed to enhance observability, understandability, and portability for developers.

Policy-driven, layered isolation and containment

Kernel-Bypass LibOS Architecture

[NeurIPS'24 Spotlight, ICLR'25, ICML'25] To speed up Long-context LLMs' inference, approximate and dynamic sparse calculate the attention, which reduces inference latency by up to 10x for pre-filling on an A100 while maintaining accuracy.

winapp, the Windows App Development CLI, is a single command-line interface for managing Windows SDKs, packaging, generating app identity, manifests, certificates, and using build tools with any app framework.

Bridging LLM and Recommender System.

XML Notepad provides a simple intuitive User Interface for browsing and editing XML documents.

Browse the sample apps demonstrating Aspire integration across C#, JavaScript, TypeScript, Python, Go, containers, databases, cloud, AI, and observability scenarios.

Microsoft.FeatureManagement provides standardized APIs for enabling feature flags within applications. Utilize this library to secure a consistent experience when developing applications that use patterns such as beta access, rollout, dark deployments, and more.

An open repo for Azure Monitor queries, workbooks, alerts and more

This is the source code to the mostly-static Microsoft Open Source site featuring projects, program information, and "get involved" pages.

Microsoft.Diagnostics.Runtime is a set of APIs for introspecting processes and dumps.

The icon font for Visual Studio Code

JavaScript library for embedding Power BI into your apps. Check out the docs website and wiki for more information.

The Microsoft JDBC Driver for SQL Server is a Type 4 JDBC driver that provides database connectivity with SQL Server through the standard JDBC application program interfaces (APIs).

ToRA is a series of Tool-integrated Reasoning LLM Agents designed to solve challenging mathematical reasoning problems by interacting with tools [ICLR'24].

Samples and Tools for Windows ML.

Unsupported PowerApps Tools & Apps

AVML - Acquire Volatile Memory for Linux

Generative AI extensions for onnxruntime

The Power BI Modeling MCP Server, brings Power BI semantic modeling capabilities to your AI agents.

Sample shell scripts for Intune admins.

Official code for TimeCraft: A Time Series Generation Framework for Real-World Applications

Win32 IO-related utilities for Go

VideoX: a collection of video cross-modal models

MSIX SDK

Microsoft AI for Good Lab — Biodiversity research hub. Open-source AI models, edge devices, and tools for biodiversity monitoring and conservation. Your source for MegaDetector, SPARROW, PytorchWildlife, Bioacoustics, and more.

Modularize Redux by dynamically loading reducers and middlewares.

MCP Python Tutorial

Bf-Tree is a modern read-write-optimized concurrent larger-than-memory range index in Rust from MS Research.

The Microsoft 365 Agent SDK simplifies building full stack, multichannel, trusted agents for platforms including M365, Teams, Copilot Studio, and Webchat.

VS Code Extension Manager

This repository holds the source code of Microsoft.Testing.Platform (MTP), a lightweight alternative to VSTest, as well as MSTest adapter and framework.

The Microsoft.VisualStudio.Threading is a xplat library that provides many threading and synchronization primitives used in Visual Studio and other applications.

Get your repo ready for AI.

UF2 file format specification

Intelligent cloud testing made easy.

A collection of skills and MCP systems to enable users of CLI, VSCode, Claude to operate over Microsoft Fabric

Microsoft Build Accelerator

Central repository for App Center open source resources and planning.

Implementation of the Aurora model for Earth system forecasting

Tutel MoE: Optimized Mixture-of-Experts Library, Support GptOss/DeepSeek/Kimi-K2/Qwen3 using FP8/NVFP4/MXFP4

DevSkim is a set of IDE plugins, language analyzers, and rules that provide security "linting" capabilities.

Feature samples for the Windows App SDK

A flexible and efficient deep neural network (DNN) compiler that generates high-performance executable from a DNN model description.

Microsoft Quantum Development Kit, including the Q# programming language, resource estimator, and Quantum Katas

Locate Visual Studio 2017 and newer installations

Low-bit LLM inference on CPU/NPU with lookup table

Official implementation of VQ-Diffusion

Business Central extensibility requests only. New pull requests are no longer accepted; application contributions have moved to BCApps.

Tool to scan for RouterOS (Mikrotik) forensic artifacts and vulnerabilities.

Sysinternals ZoomIt for MacOS

MFCMAPI

MCP Server and CLI for accessing Work IQ

UIKit and AppKit controls for building native Microsoft experiences

[ICLR 2025] Samba: Simple Hybrid State Space Models for Efficient Unlimited Context Language Modeling

Robust Distributed System Nucleus (rDSN) is an open framework for quickly building and managing high performance and robust distributed systems.

Official Code Release for [SIGGRAPH 2025] RenderFormer: Transformer-based Neural Rendering of Triangle Meshes with Global Illumination

Visual Studio Test Platform is the runner and engine that powers test explorer and vstest.console.

Official repo for MM-REACT

A holistic framework to enable the design, development, and evaluation of autonomous AIOps agents.

C# and F# language binding and extensions to Apache Spark

The Azure Artifacts Credential Provider enables dotnet, NuGet.exe, and MSBuild to interactively acquire credentials for Azure Artifacts feeds.

Wassette: A security-oriented runtime that runs WebAssembly Components via MCP

The StreamJsonRpc library offers JSON-RPC 2.0 over any .NET Stream, WebSocket, or Pipe. With bonus support for request cancellation, client proxy generation, and more.

Python sample project for trying out Dev Containers

Semi-Supervised Learning, Object Detection, ICCV2021

Accessibility Insights for Web

Multi-Agent Resource Optimization (MARO) platform is an instance of Reinforcement Learning as a Service (RaaS) for real-world resource optimization problems.

Home for WPF XAML Behaviors on GitHub.

Productivity Power Tools - a set of Visual Studio extensions improving developer productivity.

Face synthetics datasets

RAG Time: A 5-week Learning Journey to Mastering RAG

An early-stage PHP parser designed for IDE usage scenarios.

FarmVibes.AI: Multi-Modal GeoSpatial ML Models for Agriculture and Sustainability

workshop materials to build intelligent solutions on Open AI

Fabric toolbox is a repository of tools, accelerators, scripts, and samples to accelerate your success with Microsoft Fabric, brought to you by Fabric CAT.

Windows Agent Arena (WAA) 🪟 is a scalable OS platform for testing and benchmarking of multi-modal AI agents.

DirectStorage for Windows is an API that allows game developers to unlock the full potential of high speed NVMe drives for loading game assets.

Core cryptographic library for Windows, Azure Linux and other products

Home of the Dynamics 365 Business Central AL Language extension for Visual Studio Code. Used to track issues regarding the latest version of the AL compiler and developer tools available in the Visual Studio Code Marketplace or as part of the AL Developer Preview builds for Dynamics 365 Business Central.

PowerShell module to export a local copy of an Entra (Azure AD) tenant configuration.

Build your repo automatically.