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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 172k 32.4k

  2. TypeScript TypeScript Public

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

    TypeScript 105k 12.8k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 119k 7k

  4. terminal terminal Public

    The new Windows Terminal and the original Windows console host, all in the same place!

    C++ 98.2k 8.6k

  5. semantic-kernel semantic-kernel Public

    Integrate cutting-edge LLM technology quickly and easily into your apps

    C# 24.5k 3.8k

Repositories

Showing 10 of 6850 repositories
  • ApplicationInsights-JS Public

    Microsoft Application Insights SDK for JavaScript

    microsoft/ApplicationInsights-JS’s past year of commit activity
    TypeScript 660 MIT 245 95 (2 issues need help) 10 Updated May 20, 2025
  • vscode-cpptools Public

    Official repository for the Microsoft C/C++ extension for VS Code.

    microsoft/vscode-cpptools’s past year of commit activity
    TypeScript 5,794 1,593 1,397 (170 issues need help) 13 Updated May 20, 2025
  • demikernel Public

    Kernel-Bypass LibOS Architecture

    microsoft/demikernel’s past year of commit activity
    Rust 1,132 MIT 131 86 (6 issues need help) 3 Updated May 20, 2025
  • Olive Public

    Olive: Simplify ML Model Finetuning, Conversion, Quantization, and Optimization for CPUs, GPUs and NPUs.

    microsoft/Olive’s past year of commit activity
    Python 1,928 MIT 207 58 12 Updated May 20, 2025
  • DecodingSuperUsage Public

    Toolkit to help you analyze what super users of Copilot do differently, learn repeatable patterns, and drive adoption across the company.

    microsoft/DecodingSuperUsage’s past year of commit activity
    2 MIT 0 1 0 Updated May 20, 2025
  • terraform-provider-fabric Public

    Terraform Provider for Microsoft Fabric

    microsoft/terraform-provider-fabric’s past year of commit activity
    Go 59 MPL-2.0 16 32 4 Updated May 20, 2025
  • zerotrustassessment Public

    Repository for the Zero Trust Assessment project

    microsoft/zerotrustassessment’s past year of commit activity
    C# 90 MIT 56 19 7 Updated May 20, 2025
  • vsts-extension-retrospectives Public

    An Azure DevOps extension for efficient retrospectives

    microsoft/vsts-extension-retrospectives’s past year of commit activity
    TypeScript 193 MIT 86 200 (3 issues need help) 10 Updated May 20, 2025
  • typescript-go Public

    Staging repo for development of native port of TypeScript

    microsoft/typescript-go’s past year of commit activity
    Go 19,794 Apache-2.0 607 52 26 Updated May 20, 2025
  • garnet Public

    Garnet is a remote cache-store from Microsoft Research that offers strong performance (throughput and latency), scalability, storage, recovery, cluster sharding, key migration, and replication features. Garnet can work with existing Redis clients.

    microsoft/garnet’s past year of commit activity
    C# 11,126 MIT 569 19 (11 issues need help) 16 Updated May 20, 2025
View all repositories

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