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Microsoft

Company

201 catalogued repositories · 3M stars · 243 repositories and 4M stars including subsidiaries

Mostly:

Agent Frameworks & SDKs 16MCP Servers, Agent Skills & Prompts 10Programming Languages & Compilers 10

GitHub:

microsoftdotnetazurepowershellmicrosoftdocs

Counts repositories in the GitGenius catalogue owned by Microsoft's GitHub organizations. It is a floor, not a total: Microsoft owns repositories we have not catalogued, and work published under an individual's own account is never attributed to their employer. How this is built.

Subsidiaries:

GitHub
LinkedIn
Mojang Studios
npm

Projects Microsoft's people maintain

Repositories Microsoft does not own. Each figure is a floor: the share of that project's maintainers who list Microsoft. Commits and code review are not counted.

hyperlight-dev/hyperlight
at least
85%

11 of 13 maintainers. 11 say where they work.

github/copilot-sdk
at least
47%

8 of 17 maintainers. 17 say where they work.

citusdata/citus
at least
45%

5 of 11 maintainers. 7 say where they work.

modelcontextprotocol/csharp-sdk
at least
38%

6 of 16 maintainers. 11 say where they work.

documentdb/documentdb
at least
22%

9 of 41 maintainers. 12 say where they work.

github/copilot-cli
at least
21%

7 of 33 maintainers. 27 say where they work.

Show:

Microsoft onlyIncluding subsidiaries

Sort by:

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Showing 121–180 of 243 repositories including subsidiaries, most starred first

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Detours
by microsoft

Total Stargazers:6,397

Total Subscribers:166

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

Total Stargazers:6,354

Total Subscribers:83

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

Total Stargazers:6,325

Total Subscribers:453

AI coding assistant for Xcode
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runner
by actions

Total Stargazers:6,313

Total Subscribers:147

The Runner for GitHub Actions :rocket:
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fara
by microsoft

Total Stargazers:6,216

Total Subscribers:44

Fara1.5 – A family of frontier computer use agent models
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vscode-cpptools
by microsoft

Total Stargazers:6,169

Total Subscribers:219

Official repository for the Microsoft C/C++ extension for VS Code.
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Azure-Sentinel
by Azure

Total Stargazers:6,166

Total Subscribers:241

Cloud-native SIEM for intelligent security analytics for your entire enterprise.
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VFSForGit
by microsoft

Total Stargazers:6,138

Total Subscribers:182

Virtual File System for Git: Enable Git at Enterprise Scale
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MixedRealityToolkit-Unity
by microsoft

Total Stargazers:6,077

Total Subscribers:397

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
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azure-sdk-for-net
by Azure

Total Stargazers:6,060

Total Subscribers:1,386

This repository is for active development of the Azure SDK for .NET. For consumers of the SDK we recommend visiting our public developer docs at https://learn.microsoft.com/dotnet/azure/ or our versioned developer docs at https://azure.github.io/azure-sdk-for-net.
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CUAWright
by microsoft

Total Stargazers:6,046

Total Subscribers:19

A simple SWE style browser+desktop agent framework that achieves SOTA results on long horizon web tasks.
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markup
by github

Total Stargazers:6,045

Total Subscribers:614

Determines which markup library to use to render a content file (e.g. README) on GitHub
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tsyringe
by microsoft

Total Stargazers:6,003

Total Subscribers:40

Lightweight dependency injection container for JavaScript/TypeScript
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vscode-recipes
by microsoft

Total Stargazers:5,954

Total Subscribers:123

______________
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typespec
by microsoft

Total Stargazers:5,883

Total Subscribers:43

______________
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toolkit
by actions

Total Stargazers:5,869

Total Subscribers:156

The GitHub ToolKit for developing GitHub Actions.
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ethr
by microsoft

Total Stargazers:5,868

Total Subscribers:118

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

Total Stargazers:5,858

Total Subscribers:40

It's sudo, for Windows
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WPF-Samples
by microsoft

Total Stargazers:5,739

Total Subscribers:322

Repository for WPF related samples
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Windows-classic-samples
by microsoft

Total Stargazers:5,688

Total Subscribers:242

This repo contains samples that demonstrate the API used in Windows classic desktop applications.
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azure-sdk-for-python
by Azure

Total Stargazers:5,614

Total Subscribers:499

This repository is for active development of the Azure SDK for Python. For consumers of the SDK we recommend visiting our public developer docs at https://learn.microsoft.com/python/azure/ or our versioned developer docs at https://azure.github.io/azure-sdk-for-python.
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skills
by dotnet

Total Stargazers:5,585

Total Subscribers:38

Repository for skills to assist AI coding agents with .NET and C#
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cache
by actions

Total Stargazers:5,569

Total Subscribers:121

Cache dependencies and build outputs in GitHub Actions
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msbuild
by dotnet

Total Stargazers:5,552

Total Subscribers:384

The Microsoft Build Engine (MSBuild) is the build platform for .NET and Visual Studio.
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node-semver
by npm

Total Stargazers:5,466

Total Subscribers:100

The semver parser for node (the one npm uses)
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gh-aw
by github

Total Stargazers:5,369

Total Subscribers:52

GitHub Agentic Workflows
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azurelinux
by microsoft

Total Stargazers:5,348

Total Subscribers:141

General purpose Linux OS for Azure
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SynapseML
by microsoft

Total Stargazers:5,246

Total Subscribers:135

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

Total Stargazers:5,236

Total Subscribers:30

Coreutils for Windows: Installer & Packaging
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Silk.NET
by dotnet

Total Stargazers:5,223

Total Subscribers:74

The high-speed OpenGL, OpenCL, OpenAL, OpenXR, GLFW, SDL, Vulkan, Assimp, WebGPU, and DirectX bindings library your mother warned you about.
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training-kit
by github

Total Stargazers:5,101

Total Subscribers:650

Open source courseware for Git and GitHub
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MQTTnet
by dotnet

Total Stargazers:5,071

Total Subscribers:150

MQTTnet is a high performance .NET library for MQTT based communication. It provides a MQTT client and a MQTT server (broker). The implementation is based on the documentation from http://mqtt.org/.
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github-script
by actions

Total Stargazers:5,035

Total Subscribers:43

Write workflows scripting the GitHub API in JavaScript
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SPTAG
by microsoft

Total Stargazers:5,022

Total Subscribers:133

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.
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setup-node
by actions

Total Stargazers:4,983

Total Subscribers:149

Set up your GitHub Actions workflow with a specific version of node.js
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tsdoc
by microsoft

Total Stargazers:4,970

Total Subscribers:47

A doc comment standard for TypeScript
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poml
by microsoft

Total Stargazers:4,968

Total Subscribers:36

Prompt Orchestration Markup Language
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muzic
by microsoft

Total Stargazers:4,961

Total Subscribers:81

Muzic: Music Understanding and Generation with Artificial Intelligence
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FluidFramework
by microsoft

Total Stargazers:4,947

Total Subscribers:73

Library for building distributed, real-time collaborative web applications
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explore
by github

Total Stargazers:4,904

Total Subscribers:824

Community-curated topic and collection pages on GitHub
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dotnet-docker
by dotnet

Total Stargazers:4,875

Total Subscribers:213

Official container images for .NET
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winforms
by dotnet

Total Stargazers:4,863

Total Subscribers:306

Windows Forms is a .NET UI framework for building Windows desktop applications.
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fluentui-blazor
by microsoft

Total Stargazers:4,843

Total Subscribers:73

Microsoft Fluent UI Blazor components library. For use with ASP.NET Core Blazor applications
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azure-powershell
by Azure

Total Stargazers:4,799

Total Subscribers:4,099

Microsoft Azure PowerShell
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autorest
by Azure

Total Stargazers:4,795

Total Subscribers:958

OpenAPI (f.k.a Swagger) Specification code generator. Supports C#, PowerShell, Go, Java, Node.js, TypeScript, Python
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msquic
by microsoft

Total Stargazers:4,780

Total Subscribers:119

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

Total Stargazers:4,774

Total Subscribers:362

This repository contains .NET Documentation.
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perfview
by microsoft

Total Stargazers:4,762

Total Subscribers:268

PerfView is a CPU and memory performance-analysis tool
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ProcMon-Linux
by microsoft

Total Stargazers:4,748

Total Subscribers:84

A Linux version of the Procmon Sysinternals tool
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WindowsAppSDK
by microsoft

Total Stargazers:4,700

Total Subscribers:185

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

Total Stargazers:4,682

Total Subscribers:292

Samples for ML.NET, an open source and cross-platform machine learning framework for .NET.
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azure-cli
by Azure

Total Stargazers:4,648

Total Subscribers:173

Azure Command-Line Interface
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Open-XML-SDK
by dotnet

Total Stargazers:4,614

Total Subscribers:202

Open XML SDK by Microsoft
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PyRIT
by microsoft

Total Stargazers:4,594

Total Subscribers:50

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.
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codetour
by microsoft

Total Stargazers:4,588

Total Subscribers:30

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

Total Stargazers:4,535

Total Subscribers:457

Emoji images and names.
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LMOps
by microsoft

Total Stargazers:4,477

Total Subscribers:53

General technology for enabling AI capabilities w/ LLMs and MLLMs
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docfx
by dotnet

Total Stargazers:4,447

Total Subscribers:141

Static site generator for .NET API documentation.
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FLAML
by microsoft

Total Stargazers:4,406

Total Subscribers:52

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

Total Stargazers:4,395

Total Subscribers:77

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.

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