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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 183k 38.5k

  2. TypeScript TypeScript Public

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

    TypeScript 108k 13.3k

  3. PowerToys PowerToys Public

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

    C# 131k 7.8k

  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# 27.5k 4.5k

Repositories

Showing 10 of 7669 repositories
  • apm Public

    Agent Package Manager

    microsoft/apm’s past year of commit activity
    Python 468 MIT 35 17 6 Updated Mar 15, 2026
  • zerotrustassessment Public

    Repository for the Zero Trust Assessment project

    microsoft/zerotrustassessment’s past year of commit activity
    HTML 294 MIT 132 67 9 Updated Mar 15, 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 866 MIT 108 75 (21 issues need help) 17 Updated Mar 15, 2026
  • agent-governance-toolkit Public

    AI Agent Governance Toolkit — Policy enforcement, zero-trust identity, execution sandboxing, and reliability engineering for autonomous AI agents. Covers 10/10 OWASP Agentic Top 10.

    microsoft/agent-governance-toolkit’s past year of commit activity
    Python 184 MIT 19 32 (1 issue needs help) 1 Updated Mar 15, 2026
  • playwright-vscode Public

    Playwright Test Visual Studio Code integration

    microsoft/playwright-vscode’s past year of commit activity
    TypeScript 455 Apache-2.0 106 1 5 Updated Mar 15, 2026
  • 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 84,297 Apache-2.0 5,294 600 14 Updated Mar 15, 2026
  • sre-agent Public

    Azure SRE Agent is an AI-powered reliability assistant that helps teams diagnose and resolve production issues, reduce operational toil, and lower mean time to resolution

    microsoft/sre-agent’s past year of commit activity
    55 MIT 22 55 6 Updated Mar 15, 2026
  • site-admin Public

    An automation tool for tenant admins to use for automation of features/enhancements.

    microsoft/site-admin’s past year of commit activity
    TypeScript 11 MIT 5 5 0 Updated Mar 15, 2026
  • agent365-resources Public

    Resources for Microsoft Agent 365

    microsoft/agent365-resources’s past year of commit activity
    HTML 0 MIT 0 0 1 Updated Mar 16, 2026
  • TypeAgent Public

    Sample code that explores an architecture for using language models to build a personal agent that can work with application agents.

    microsoft/TypeAgent’s past year of commit activity
    TypeScript 668 MIT 90 6 1 Updated Mar 15, 2026
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