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Open source projects and samples from Microsoft
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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 39.3k

  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 7787 repositories
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 184,127 MIT 39,327 5,000+ (501 issues need help) 1,787 Updated Apr 22, 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 9,695 MIT 1,595 608 177 Updated Apr 22, 2026
  • onnxruntime-genai Public

    Generative AI extensions for onnxruntime

    microsoft/onnxruntime-genai’s past year of commit activity
    C++ 1,013 MIT 284 133 33 Updated Apr 22, 2026
  • kiota-dotnet Public

    Abstractions library for the Kiota generated SDKs in dotnet

    microsoft/kiota-dotnet’s past year of commit activity
    C# 79 MIT 48 23 (2 issues need help) 4 Updated Apr 22, 2026
  • apm Public

    Agent Package Manager

    microsoft/apm’s past year of commit activity
    Python 1,970 MIT 118 63 (4 issues need help) 22 Updated Apr 22, 2026
  • skala Public

    Skala exchange-correlation functional

    microsoft/skala’s past year of commit activity
    Python 202 MIT 26 3 1 Updated Apr 22, 2026
  • PSRule.Rules.GitHub Public

    A suite of rules to validate GitHub repositories using PSRule.

    microsoft/PSRule.Rules.GitHub’s past year of commit activity
    C# 29 MIT 14 4 10 Updated Apr 22, 2026
  • power-platform-skills Public

    A plugin marketplace for Claude Code/GitHub Copilot that provides Power Platform development plugins, including reusable skills, agents, and commands for building and deploying solutions.

    microsoft/power-platform-skills’s past year of commit activity
    JavaScript 193 MIT 33 10 11 Updated Apr 22, 2026
  • pypi-lockdown Public

    Can be used to bootstrap in an environment where only authenticated package feeds are allowed. This provides an executable that configures package managers to consume from the given feed by default.

    microsoft/pypi-lockdown’s past year of commit activity
    Python 0 MIT 0 0 1 Updated Apr 22, 2026
  • edit Public

    We all edit.

    microsoft/edit’s past year of commit activity
    Rust 13,746 MIT 660 125 28 Updated Apr 22, 2026
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