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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 181k 37.6k

  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 help you customize Windows and streamline everyday tasks

    C# 129k 7.6k

  4. terminal terminal Public

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

    C++ 102k 9k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.1k 4.4k

Repositories

Showing 10 of 7526 repositories
  • quicreach Public

    A 'ping' equivalent tool for QUIC.

    microsoft/quicreach’s past year of commit activity
    C++ 136 MIT 34 2 (1 issue needs help) 0 Updated Jan 28, 2026
  • WSL Public

    Windows Subsystem for Linux

    microsoft/WSL’s past year of commit activity
    C++ 30,968 MIT 1,592 938 15 Updated Jan 28, 2026
  • sbom-tool Public

    The SBOM tool is a highly scalable and enterprise ready tool to create SPDX 2.2 compatible SBOMs for any variety of artifacts.

    microsoft/sbom-tool’s past year of commit activity
    C# 1,969 MIT 190 47 (4 issues need help) 35 Updated Jan 28, 2026
  • durabletask-dotnet Public

    Out-of-process .NET SDK for the Durable Task Framework

    microsoft/durabletask-dotnet’s past year of commit activity
    C# 174 MIT 53 29 36 Updated Jan 28, 2026
  • go Public

    The Microsoft build of Go is a modified version of Go that can build FIPS compliant applications that satisfy internal Microsoft policies.

    microsoft/go’s past year of commit activity
    Go 407 BSD-3-Clause 40 134 6 Updated Jan 28, 2026
  • adx-query-charts Public

    Draw charts from Azure Data Explorer queries

    microsoft/adx-query-charts’s past year of commit activity
    TypeScript 25 MIT 9 1 15 Updated Jan 28, 2026
  • planetary-computer-tasks Public

    PC Tasks: A framework for processing and ingesting data into the Planetary Computer

    microsoft/planetary-computer-tasks’s past year of commit activity
    Python 41 MIT 17 5 18 Updated Jan 28, 2026
  • azure-pipelines-tasks Public

    Tasks for Azure Pipelines

    microsoft/azure-pipelines-tasks’s past year of commit activity
    TypeScript 3,614 MIT 2,684 277 (25 issues need help) 233 Updated Jan 28, 2026
  • Agents-for-js Public

    This repository is for active development of the Microsoft 365 Agent SDK components for JavaScript

    microsoft/Agents-for-js’s past year of commit activity
    TypeScript 70 MIT 34 48 10 Updated Jan 28, 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# 26 MIT 16 25 20 Updated Jan 28, 2026
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