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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 39.3k

  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# 27.7k 4.6k

Repositories

Showing 10 of 7776 repositories
  • 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 966 MIT 158 94 (7 issues need help) 25 Updated Apr 19, 2026
  • aspire Public

    Aspire is the tool for code-first, extensible, observable dev and deploy.

    microsoft/aspire’s past year of commit activity
    C# 5,835 MIT 866 1,725 (4 issues need help) 146 Updated Apr 19, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 184,022 MIT 39,272 5,000+ (501 issues need help) 1,746 Updated Apr 19, 2026
  • presidio Public

    An open-source framework for detecting, redacting, masking, and anonymizing sensitive data (PII) across text, images, and structured data. Supports NLP, pattern matching, and customizable pipelines.

    microsoft/presidio’s past year of commit activity
    Python 7,658 MIT 1,004 58 (4 issues need help) 11 Updated Apr 19, 2026
  • simplechat Public

    Secure AI conversations with documents, video, audio, and more. Personal workspaces for focused context, group spaces for shared insight. Classify docs, reuse prompts, and extend with modular features.

    microsoft/simplechat’s past year of commit activity
    Python 129 107 178 10 Updated Apr 19, 2026
  • sqltoolsservice Public

    SQL Tools API service that provides SQL Server data management capabilities.

    microsoft/sqltoolsservice’s past year of commit activity
    C# 502 163 63 7 Updated Apr 19, 2026
  • physical-ai-toolchain Public
    microsoft/physical-ai-toolchain’s past year of commit activity
    Python 45 MIT 19 139 (13 issues need help) 8 Updated Apr 19, 2026
  • edge-ai Public

    Production-ready Infrastructure as Code, applications, pluggable components, and PlatformOps toolchains that empower organizations to achieve more with cloud and edge AI-powered solutions. Built by friendly geeks, for every team that needs edge solutions to achieve real production results.

    microsoft/edge-ai’s past year of commit activity
    HCL 71 MIT 35 67 (1 issue needs help) 5 Updated Apr 19, 2026
  • EventLogExpert Public
    microsoft/EventLogExpert’s past year of commit activity
    C# 265 MIT 31 2 1 Updated Apr 19, 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 683 MIT 93 9 1 Updated Apr 19, 2026
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