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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 182k 38.3k

  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# 27.4k 4.5k

Repositories

Showing 10 of 7622 repositories
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 182,239 MIT 38,255 5,000+ (525 issues need help) 1,218 Updated Mar 4, 2026
  • retina Public

    eBPF distributed networking observability tool for Kubernetes

    microsoft/retina’s past year of commit activity
    Go 3,100 MIT 273 134 (16 issues need help) 55 Updated Mar 4, 2026
  • 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# 11,761 MIT 643 20 (12 issues need help) 23 Updated Mar 4, 2026
  • WSL Public

    Windows Subsystem for Linux

    microsoft/WSL’s past year of commit activity
    C++ 31,251 MIT 1,628 923 28 Updated Mar 4, 2026
  • lisa Public

    LISA is developed and maintained by Microsoft, to empower Linux validation.

    microsoft/lisa’s past year of commit activity
    Python 323 MIT 226 36 (3 issues need help) 34 Updated Mar 4, 2026
  • teams.net Public

    a suite of packages used to build on the Teams Platform.

    microsoft/teams.net’s past year of commit activity
    C# 29 MIT 15 31 32 Updated Mar 4, 2026
  • Application-Insights-Workbooks Public

    Templates for Azure Monitor Workbooks

    microsoft/Application-Insights-Workbooks’s past year of commit activity
    JSON 644 MIT 490 19 39 Updated Mar 4, 2026
  • finops-toolkit Public

    Tools and resources to help you adopt and implement FinOps capabilities that automate and extend the Microsoft Cloud.

    microsoft/finops-toolkit’s past year of commit activity
    PowerShell 525 MIT 197 201 (27 issues need help) 29 Updated Mar 4, 2026
  • azure-openai-service-proxy Public

    The Azure AI proxy service facilitates easy access to Azure AI resources for workshops and hackathons. It offers a Playground-like interface and supports Azure AI SDKs. Access is granted through a time-limited API key and endpoint.

    microsoft/azure-openai-service-proxy’s past year of commit activity
    C# 82 MIT 37 20 4 Updated Mar 4, 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 7,637 MIT 1,249 567 122 Updated Mar 4, 2026
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