Skip to content
@microsoft

Microsoft

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.

Pinned Loading

  1. vscode vscode Public

    Visual Studio Code

    TypeScript 181k 37.7k

  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# 129k 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# 27.2k 4.5k

Repositories

Showing 10 of 7542 repositories
  • FluidFramework Public

    Library for building distributed, real-time collaborative web applications

    microsoft/FluidFramework’s past year of commit activity
    TypeScript 4,914 MIT 564 18 88 Updated Feb 4, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 181,359 MIT 37,742 5,000+ (538 issues need help) 1,047 Updated Feb 4, 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 110 92 165 5 Updated Feb 4, 2026
  • mcp Public

    Catalog of official Microsoft MCP (Model Context Protocol) server implementations for AI-powered data access and tool integration

    microsoft/mcp’s past year of commit activity
    C# 2,526 MIT 357 194 (18 issues need help) 60 Updated Feb 4, 2026
  • amplifier-foundation Public

    Foundation library for the Amplifier project

    microsoft/amplifier-foundation’s past year of commit activity
    Python 8 MIT 10 0 10 Updated Feb 4, 2026
  • amplifier-bundle-shadow Public

    Shadow environment bundle for the Amplifier project

    microsoft/amplifier-bundle-shadow’s past year of commit activity
    Python 1 MIT 1 0 0 Updated Feb 4, 2026
  • fhir-server Public

    A service that implements the FHIR standard

    microsoft/fhir-server’s past year of commit activity
    TSQL 1,329 MIT 575 88 (2 issues need help) 55 Updated Feb 4, 2026
  • mattersim Public

    MatterSim: A deep learning atomistic model across elements, temperatures and pressures.

    microsoft/mattersim’s past year of commit activity
    Jupyter Notebook 510 MIT 73 19 4 Updated Feb 4, 2026
  • Power-CAT-Copilot-Studio-Kit Public
    microsoft/Power-CAT-Copilot-Studio-Kit’s past year of commit activity
    C# 317 MIT 52 49 (1 issue needs help) 3 Updated Feb 4, 2026
  • vscode-documentdb Public

    DocumentDB Extension for VS Code

    microsoft/vscode-documentdb’s past year of commit activity
    TypeScript 20 MIT 8 66 (1 issue needs help) 11 Updated Feb 4, 2026
View all repositories

Sponsoring

  • @wixtoolset
GitHub Sponsor Developer Program Member