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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.

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  1. vscode vscode Public

    Visual Studio Code

    TypeScript 184k 39.4k

  2. TypeScript TypeScript Public

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

    TypeScript 109k 13.4k

  3. PowerToys PowerToys Public

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

    C# 132k 7.9k

  4. terminal terminal Public

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

    C++ 103k 9.2k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.8k 4.6k

Repositories

Showing 10 of 7791 repositories
  • playwright Public

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

    microsoft/playwright’s past year of commit activity
    TypeScript 87,066 Apache-2.0 5,554 604 16 Updated Apr 23, 2026
  • bcsamples-bingmaps.pte Public

    Sample Per Tenant Extension, implementing an integration with Bing Maps inside Business Central.

    microsoft/bcsamples-bingmaps.pte’s past year of commit activity
    AL 23 MIT 15 0 7 Updated Apr 23, 2026
  • hve-core Public

    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 all Copilots

    microsoft/hve-core’s past year of commit activity
    PowerShell 993 MIT 164 116 (5 issues need help) 33 Updated Apr 23, 2026
  • CopilotKeyboard Public
    microsoft/CopilotKeyboard’s past year of commit activity
    3 1 1 0 Updated Apr 23, 2026
  • durabletask-dotnet Public

    Out-of-process .NET SDK for the Durable Task Framework

    microsoft/durabletask-dotnet’s past year of commit activity
    C# 179 MIT 55 32 33 Updated Apr 23, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 184,156 MIT 39,356 5,000+ (502 issues need help) 1,797 Updated Apr 23, 2026
  • prompty Public

    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.

    microsoft/prompty’s past year of commit activity
    TypeScript 1,198 MIT 113 3 4 Updated Apr 23, 2026
  • react-native-windows Public

    A framework for building native Windows apps with React.

    microsoft/react-native-windows’s past year of commit activity
    C++ 17,241 1,195 696 (12 issues need help) 56 Updated Apr 23, 2026
  • pdblister Public Forked from gamozolabs/pdblister

    Faster version of `symchk /om` for generating PDB manifests of offline machines

    microsoft/pdblister’s past year of commit activity
    Rust 68 Unlicense 15 12 (1 issue needs help) 3 Updated Apr 23, 2026
  • AOCoptimizer.jl Public

    Optimization solver backend for analog optical computer

    microsoft/AOCoptimizer.jl’s past year of commit activity
    Julia 14 MIT 3 1 1 Updated Apr 23, 2026
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