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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 182k 38.2k

  2. TypeScript TypeScript Public

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

    TypeScript 108k 13.2k

  3. PowerToys PowerToys Public

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

    C# 130k 7.7k

  4. terminal terminal Public

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

    C++ 102k 9.1k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.3k 4.5k

Repositories

Showing 10 of 7618 repositories
  • trident Public

    Azure Linux servicing agent - security focused install, provisioning, and update

    microsoft/trident’s past year of commit activity
    Rust 20 MIT 15 12 9 Updated Mar 3, 2026
  • teams.py Public

    a suite of packages used to build on the Teams Platform.

    microsoft/teams.py’s past year of commit activity
    Python 33 MIT 14 12 (1 issue needs help) 15 Updated Mar 3, 2026
  • msquic Public

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

    microsoft/msquic’s past year of commit activity
    C 4,640 MIT 656 224 (26 issues need help) 76 Updated Mar 3, 2026
  • amplifier-distro Public

    Amplifier experiences

    microsoft/amplifier-distro’s past year of commit activity
    Python 1 MIT 1 26 2 Updated Mar 3, 2026
  • TypeChat Public

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

    microsoft/TypeChat’s past year of commit activity
    TypeScript 8,618 MIT 409 57 25 Updated Mar 3, 2026
  • WSL Public

    Windows Subsystem for Linux

    microsoft/WSL’s past year of commit activity
    C++ 31,248 MIT 1,626 925 29 Updated Mar 3, 2026
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,546 MIT 1,692 0 195 Updated Mar 3, 2026
  • Nova Public

    Nova: High-speed recursive zero-knowledge arguments from folding schemes

    microsoft/Nova’s past year of commit activity
    Rust 826 MIT 244 10 12 Updated Mar 3, 2026
  • winappCli Public

    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.

    microsoft/winappCli’s past year of commit activity
    C# 888 MIT 34 28 8 Updated Mar 3, 2026
  • agent-framework Public

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

    microsoft/agent-framework’s past year of commit activity
    Python 7,621 MIT 1,249 574 127 Updated Mar 3, 2026
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