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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 183k 38.4k

  2. TypeScript TypeScript Public

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

    TypeScript 108k 13.3k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that supercharge productivity and customization on Windows

    C# 130k 7.8k

  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 7653 repositories
  • 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# 11,765 MIT 645 21 (12 issues need help) 19 Updated Mar 11, 2026
  • Teams-AdaptiveCards-Mobile Public
    microsoft/Teams-AdaptiveCards-Mobile’s past year of commit activity
    C++ 15 MIT 26 67 52 Updated Mar 11, 2026
  • OpenAPI.NET.OData Public

    Generates OpenAPI document from OData CSDL

    microsoft/OpenAPI.NET.OData’s past year of commit activity
    C# 236 MIT 66 35 3 Updated Mar 11, 2026
  • pxt-microbit Public

    A Blocks / JavaScript code editor for the micro:bit built on Microsoft MakeCode

    microsoft/pxt-microbit’s past year of commit activity
    TypeScript 795 708 358 (36 issues need help) 8 Updated Mar 11, 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 7,821 MIT 1,294 599 129 Updated Mar 11, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,316 MIT 6,318 1,140 792 Updated Mar 11, 2026
  • oxidizer Public

    Oxidizer is a platform for Rust service development which bridges the gaps in the crate ecosystem to deliver a turn-key solution to enable the efficient creation of high-scale high-availability and high-performance services in Rust.

    microsoft/oxidizer’s past year of commit activity
    Rust 64 MIT 15 15 10 Updated Mar 11, 2026
  • vscode-python-environments Public

    VS Code extension for Python environment and package management

    microsoft/vscode-python-environments’s past year of commit activity
    TypeScript 104 MIT 39 123 (17 issues need help) 13 Updated Mar 11, 2026
  • 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 851 MIT 102 50 16 Updated Mar 11, 2026
  • vscode-pylint Public

    Linting support for python using the pylint library.

    microsoft/vscode-pylint’s past year of commit activity
    Python 91 MIT 36 25 (1 issue needs help) 7 Updated Mar 11, 2026
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