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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 168k 30.9k

  2. TypeScript TypeScript Public

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

    TypeScript 102k 12.7k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 116k 6.8k

  4. terminal terminal Public

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

    C++ 97.3k 8.5k

  5. semantic-kernel semantic-kernel Public

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

    C# 23.4k 3.6k

Repositories

Showing 10 of 6688 repositories
  • azure-linux-image-tools Public
    microsoft/azure-linux-image-tools’s past year of commit activity
    Go 6 MIT 2 0 11 Updated Mar 8, 2025
  • msquic Public

    Cross-platform, C implementation of the IETF QUIC protocol, exposed to C, C++, C# and Rust.

    microsoft/msquic’s past year of commit activity
    C 4,217 MIT 554 171 (14 issues need help) 47 Updated Mar 8, 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 1,805 MIT 195 56 8 Updated Mar 8, 2025
  • onnxruntime-extensions Public

    onnxruntime-extensions: A specialized pre- and post- processing library for ONNX Runtime

    microsoft/onnxruntime-extensions’s past year of commit activity
    C++ 365 MIT 94 69 18 Updated Mar 8, 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# 10,872 MIT 556 25 (13 issues need help) 16 Updated Mar 8, 2025
  • autogen Public

    A programming framework for agentic AI 🤖 PyPi: autogen-agentchat Discord: https://aka.ms/autogen-discord Office Hour: https://aka.ms/autogen-officehour

    microsoft/autogen’s past year of commit activity
    Python 40,920 CC-BY-4.0 6,090 465 (8 issues need help) 31 Updated Mar 8, 2025
  • playwright-java Public

    Java version of the Playwright testing and automation library

    microsoft/playwright-java’s past year of commit activity
    Java 1,233 Apache-2.0 217 29 0 Updated Mar 8, 2025
  • TypeAgent Public

    Sample code that explores an architecture for using TypeChat to build a personal agent that can work with application agents.

    microsoft/TypeAgent’s past year of commit activity
    TypeScript 121 MIT 29 0 0 Updated Mar 8, 2025
  • fabric-terraform-quickstart Public

    Examples for using the Terraform Provider for Microsoft Fabric

    microsoft/fabric-terraform-quickstart’s past year of commit activity
    HCL 20 MIT 11 0 0 Updated Mar 8, 2025
  • Agents Public

    The Microsoft 365 Agent SDK simplifies building full stack, multichannel, trusted agents for platforms including M365, Teams, Copilot Studio, and Webchat.

    microsoft/Agents’s past year of commit activity
    C# 130 MIT 33 37 3 Updated Mar 8, 2025
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