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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 182k 38k

  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# 27.2k 4.5k

Repositories

Showing 10 of 7573 repositories
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 181,735 MIT 37,974 5,000+ (528 issues need help) 1,127 Updated Feb 16, 2026
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,464 MIT 1,654 0 169 Updated Feb 16, 2026
  • azure-devops-skills Public

    Sample skills and prompt patterns demonstrating how to use the Azure DevOps MCP Server with GitHub Copilot and agent-based workflows

    microsoft/azure-devops-skills’s past year of commit activity
    0 MIT 0 0 0 Updated Feb 16, 2026
  • vscode-pull-request-github Public

    GitHub Pull Requests for Visual Studio Code

    microsoft/vscode-pull-request-github’s past year of commit activity
    TypeScript 2,536 MIT 714 211 (1 issue needs help) 27 Updated Feb 16, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,246 MIT 6,096 1,104 662 Updated Feb 16, 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 7,198 MIT 1,161 582 126 Updated Feb 16, 2026
  • fhir-server Public

    A service that implements the FHIR standard

    microsoft/fhir-server’s past year of commit activity
    TSQL 1,333 MIT 578 89 (2 issues need help) 58 Updated Feb 16, 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 82,687 Apache-2.0 5,141 577 15 Updated Feb 16, 2026
  • vscode-mssql Public

    Visual Studio Code SQL Server extension.

    microsoft/vscode-mssql’s past year of commit activity
    TypeScript 1,838 573 135 18 Updated Feb 16, 2026
  • kata-containers Public Forked from kata-containers/kata-containers

    Kata Containers is an open source project and community working to build a standard implementation of lightweight Virtual Machines (VMs) that feel and perform like containers, but provide the workload isolation and security advantages of VMs. https://katacontainers.io/

    microsoft/kata-containers’s past year of commit activity
    Rust 79 Apache-2.0 1,392 0 20 Updated Feb 16, 2026
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