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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 193k 42.1k

  2. TypeScript TypeScript Public

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

    Go 111k 13.8k

  3. PowerToys PowerToys Public

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

    C 139k 8.6k

  4. terminal terminal Public

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

    C++ 105k 9.6k

  5. semantic-kernel semantic-kernel Public

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

    C# 28.6k 4.8k

Repositories

Showing 10 of 8303 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# 12,021 MIT 702 25 (11 issues need help) 31 Updated Sep 14, 2026
  • flipcard Public

    Adaptive compostable UI element for schema driven adaptive design

    microsoft/flipcard's past year of commit activity
    TypeScript 5 MIT 3 2 35 Updated Sep 14, 2026
  • pg_durable Public

    PostgreSQL in-database durable execution

    microsoft/pg_durable's past year of commit activity
    Rust 2,815 80 13 10 Updated Sep 14, 2026
  • markitdown Public

    Python tool for converting files and office documents to Markdown.

    microsoft/markitdown's past year of commit activity
    Python 183,918 MIT 13,537 321 (3 issues need help) 329 Updated Sep 14, 2026
  • cppgraphqlgen Public

    C++ GraphQL schema service generator

    microsoft/cppgraphqlgen's past year of commit activity
    C++ 350 MIT 56 12 (1 issue needs help) 4 Updated Sep 14, 2026
  • vscode-cmake-tools Public

    CMake Tools provides a robust, convenient workflow for CMake projects in VS Code. It simplifies configurations with CMake presets, supports IntelliSense and built-in debugging for CMake scripts, and offers configurable tasks. Its customizable interface allows for efficient project control, while also simplifying test execution and monitoring.

    microsoft/vscode-cmake-tools's past year of commit activity
    TypeScript 1,685 MIT 545 431 (40 issues need help) 21 Updated Sep 14, 2026
  • aspire Public

    Aspire is the tool for code-first, extensible, observable dev and deploy.

    microsoft/aspire's past year of commit activity
    C# 6,305 MIT 991 2,091 (3 issues need help) 263 Updated Sep 14, 2026
  • WSL Public

    Windows Subsystem for Linux

    microsoft/WSL's past year of commit activity
    C++ 33,684 MIT 1,824 925 67 Updated Sep 14, 2026
  • frontier-sre-agent-rvas Public
    microsoft/frontier-sre-agent-rvas's past year of commit activity
    HCL 6 MIT 5 0 12 Updated Sep 14, 2026
  • KBLaM Public

    Official Implementation of "KBLaM: Knowledge Base augmented Language Model"

    microsoft/KBLaM's past year of commit activity
    Jupyter Notebook 1,451 MIT 125 33 3 Updated Sep 14, 2026
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