Skip to content
@microsoft

Microsoft

Open source projects and samples from Microsoft
README.md

Open Source at Microsoft

Get Involved

Right now, open communities are building amazing software together, and there are excellent "good first issue" opportunities, if you're looking to get involved.

Visit opensource.microsoft.com to learn more!

Microsoft projects adopt the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ.

Pinned Loading

  1. vscode vscode Public

    Visual Studio Code

    TypeScript 170k 31.6k

  2. TypeScript TypeScript Public

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

    TypeScript 104k 12.8k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 117k 6.9k

  4. terminal terminal Public

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

    C++ 97.7k 8.5k

  5. semantic-kernel semantic-kernel Public

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

    C# 24k 3.7k

Repositories

Showing 10 of 6755 repositories
  • service-fabric-services-and-actors-dotnet Public

    Reliable Services and Reliable Actors are Service Fabric application frameworks for building highly-scalable distributed cloud applications.

    microsoft/service-fabric-services-and-actors-dotnet’s past year of commit activity
    C# 270 111 37 3 Updated Apr 16, 2025
  • CSS-Exchange Public

    Exchange Server support tools and scripts

    microsoft/CSS-Exchange’s past year of commit activity
    PowerShell 1,233 MIT 349 128 (15 issues need help) 5 Updated Apr 16, 2025
  • jbpf Public

    Userspace eBPF instrumentation and control framework for deploying control and monitoring functions in a secure manner

    microsoft/jbpf’s past year of commit activity
    C 41 MIT 14 17 (3 issues need help) 7 Updated Apr 16, 2025
  • WinUI-Gallery Public

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

    microsoft/WinUI-Gallery’s past year of commit activity
    C# 3,025 MIT 671 83 (18 issues need help) 7 Updated Apr 16, 2025
  • Agents-for-net Public

    This repository is for active development of the Microsoft 365 Agent SDK components for .NET

    microsoft/Agents-for-net’s past year of commit activity
    C# 76 MIT 38 17 10 Updated Apr 16, 2025
  • testfx Public

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

    microsoft/testfx’s past year of commit activity
    C# 860 MIT 272 249 31 Updated Apr 16, 2025
  • retina Public

    eBPF distributed networking observability tool for Kubernetes

    microsoft/retina’s past year of commit activity
    Go 2,921 MIT 228 111 (18 issues need help) 28 Updated Apr 16, 2025
  • semantic-kernel Public

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

    microsoft/semantic-kernel’s past year of commit activity
    C# 24,028 MIT 3,715 418 47 Updated Apr 16, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 9,253 MIT 4,978 900 277 Updated Apr 16, 2025
  • RD-Agent Public

    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 our open source R&D automation tool RD-Agent, which lets AI drive data-driven AI.

    microsoft/RD-Agent’s past year of commit activity
    Python 4,151 MIT 353 23 21 Updated Apr 16, 2025
View all repositories
Developer Program Member