Microsoft Open Source Repositories

vscode

by microsoft

Total Stargazers:193,444

Total Subscribers:3,542

Visual Studio Code

markitdown

by microsoft

Total Stargazers:189,048

Total Subscribers:592

Python tool for converting files and office documents to Markdown.

PowerToys

by microsoft

Total Stargazers:139,128

Total Subscribers:1,231

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

generative-ai-for-beginners

by microsoft

Total Stargazers:121,007

Total Subscribers:1,010

21 Lessons, Get Started Building with Generative AI

TypeScript

by microsoft

Total Stargazers:111,366

Total Subscribers:2,231

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

terminal

by microsoft

Total Stargazers:105,105

Total Subscribers:1,373

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

playwright

by microsoft

Total Stargazers:97,310

Total Subscribers:612

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

Web-Dev-For-Beginners

by microsoft

Total Stargazers:96,924

Total Subscribers:2,669

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

ML-For-Beginners

by microsoft

Total Stargazers:91,356

Total Subscribers:1,091

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

ai-agents-for-beginners

by microsoft

Total Stargazers:76,656

Total Subscribers:579

18 Lessons to Get Started Building AI Agents

AI-For-Beginners

by microsoft

Total Stargazers:69,576

Total Subscribers:665

12 Weeks, 24 Lessons, AI for All!

autogen

by microsoft

Total Stargazers:61,312

Total Subscribers:531

A programming framework for agentic AI

PowerShell

by PowerShell

Total Stargazers:55,642

Total Subscribers:1,454

PowerShell for every system!

VibeVoice

by microsoft

Total Stargazers:54,683

Total Subscribers:270

Open-Source Frontier Voice AI

qlib

by microsoft

Total Stargazers:49,217

Total Subscribers:513

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.

monaco-editor

by microsoft

Total Stargazers:46,847

Total Subscribers:543

A browser based code editor

BitNet

by microsoft

Total Stargazers:40,373

Total Subscribers:368

Official inference framework for 1-bit LLMs

aspnetcore

by dotnet

Total Stargazers:38,466

Total Subscribers:1,432

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

playwright-mcp

by microsoft

Total Stargazers:37,933

Total Subscribers:152

Playwright MCP server

Data-Science-For-Beginners

by microsoft

Total Stargazers:37,539

Total Subscribers:553

10 Weeks, 20 Lessons, Data Science for All!

graphrag

by microsoft

Total Stargazers:36,267

Total Subscribers:205

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

WSL

by microsoft

Total Stargazers:34,004

Total Subscribers:597

Windows Subsystem for Linux

calculator

by microsoft

Total Stargazers:31,070

Total Subscribers:594

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

semantic-kernel

by microsoft

Total Stargazers:28,635

Total Subscribers:306

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

vcpkg

by microsoft

Total Stargazers:27,520

Total Subscribers:440

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

winget-cli

by microsoft

Total Stargazers:26,486

Total Subscribers:340

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).

typescript-go

by microsoft

Total Stargazers:26,145

Total Subscribers:121

Staging repo for development of native port of TypeScript

OmniParser

by microsoft

Total Stargazers:25,497

Total Subscribers:190

A simple screen parsing tool towards pure vision based GUI agent

JARVIS

by microsoft

Total Stargazers:25,406

Total Subscribers:347

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

api-guidelines

by microsoft

Total Stargazers:23,333

Total Subscribers:635

Microsoft REST API Guidelines

maui

by dotnet

Total Stargazers:23,321

Total Subscribers:604

.NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning mobile, tablet, and desktop.

unilm

by microsoft

Total Stargazers:22,227

Total Subscribers:295

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

onnxruntime

by microsoft

Total Stargazers:22,038

Total Subscribers:265

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

core

by dotnet

Total Stargazers:22,037

Total Subscribers:1,324

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

roslyn

by dotnet

Total Stargazers:20,712

Total Subscribers:986

The Roslyn .NET compiler provides C# and Visual Basic languages with rich code analysis APIs.

fluentui

by microsoft

Total Stargazers:20,310

Total Subscribers:288

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

agent-lightning

by microsoft

Total Stargazers:18,596

Total Subscribers:84

The absolute trainer to light up AI agents.

AirSim

by microsoft

Total Stargazers:18,541

Total Subscribers:576

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

runtime

by dotnet

Total Stargazers:18,322

Total Subscribers:449

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

SkillOpt

by microsoft

Total Stargazers:18,135

Total Subscribers:70

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.

data-formulator

by microsoft

Total Stargazers:17,546

Total Subscribers:116

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

mcp-for-beginners

by microsoft

Total Stargazers:17,417

Total Subscribers:141

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.

react-native-windows

by microsoft

Total Stargazers:17,351

Total Subscribers:273

A framework for building native Windows apps with React.

IoT-For-Beginners

by microsoft

Total Stargazers:17,143

Total Subscribers:334

12 Weeks, 24 Lessons, IoT for All!

pyright

by microsoft

Total Stargazers:15,679

Total Subscribers:130

Static Type Checker for Python

dotnet

by microsoft

Total Stargazers:15,109

Total Subscribers:1,329

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.

playwright-python

by microsoft

Total Stargazers:15,030

Total Subscribers:156

Python version of the Playwright testing and automation library.

RustTraining

by microsoft

Total Stargazers:14,915

Total Subscribers:84

Beginner, advanced, expert level Rust training material

azure-quickstart-templates

by Azure

Total Stargazers:14,884

Total Subscribers:726

Azure Quickstart Templates

RD-Agent

by microsoft

Total Stargazers:14,867

Total Subscribers:90

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

efcore

by dotnet

Total Stargazers:14,798

Total Subscribers:857

EF Core is a modern object-database mapper for .NET. It supports LINQ queries, change tracking, updates, and schema migrations.

edit

by microsoft

Total Stargazers:14,685

Total Subscribers:79

We all edit.

agent-framework

by microsoft

Total Stargazers:14,018

Total Subscribers:110

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

playwright-cli

by microsoft

Total Stargazers:13,880

Total Subscribers:54

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

TRELLIS

by microsoft

Total Stargazers:13,778

Total Subscribers:140

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

mimalloc

by microsoft

Total Stargazers:13,444

Total Subscribers:163

mimalloc is a compact general purpose allocator with excellent performance.

AspNetCore.Docs

by dotnet

Total Stargazers:13,139

Total Subscribers:683

Documentation for ASP.NET Core

language-server-protocol

by microsoft

Total Stargazers:13,040

Total Subscribers:306

Defines a common protocol for language servers.

windows-rs

by microsoft

Total Stargazers:12,804

Total Subscribers:118

Microsoft

Company

Projects Microsoft's people maintain

vscode

by microsoft

Visual Studio Code

markitdown

by microsoft

Python tool for converting files and office documents to Markdown.

PowerToys

by microsoft

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

generative-ai-for-beginners

by microsoft

21 Lessons, Get Started Building with Generative AI

TypeScript

by microsoft

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

terminal

by microsoft

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

playwright

by microsoft

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

Web-Dev-For-Beginners

by microsoft

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

ML-For-Beginners

by microsoft

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

ai-agents-for-beginners

by microsoft

18 Lessons to Get Started Building AI Agents

AI-For-Beginners

by microsoft

12 Weeks, 24 Lessons, AI for All!

autogen

by microsoft

A programming framework for agentic AI

PowerShell

by PowerShell

PowerShell for every system!

VibeVoice

by microsoft

Open-Source Frontier Voice AI

qlib

by microsoft

monaco-editor

by microsoft

A browser based code editor

BitNet

by microsoft

Official inference framework for 1-bit LLMs

aspnetcore

by dotnet

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

playwright-mcp

by microsoft

Playwright MCP server

Data-Science-For-Beginners

by microsoft

10 Weeks, 20 Lessons, Data Science for All!

graphrag

by microsoft

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

WSL

by microsoft

Windows Subsystem for Linux

calculator

by microsoft

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

semantic-kernel

by microsoft

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

vcpkg

by microsoft

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

winget-cli

by microsoft

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).