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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 179k 36.7k

  2. TypeScript TypeScript Public

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

    TypeScript 107k 13.2k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that help you customize Windows and streamline everyday tasks

    C# 126k 7.5k

  4. terminal terminal Public

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

    C++ 101k 8.9k

  5. semantic-kernel semantic-kernel Public

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

    C# 26.8k 4.4k

Repositories

Showing 10 of 7431 repositories
  • Docker-Provider Public

    Azure Monitor for Containers

    microsoft/Docker-Provider’s past year of commit activity
    Ruby 164 115 0 4 Updated Dec 6, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 9,977 MIT 5,694 1,089 589 Updated Dec 6, 2025
  • Shiksha-Copilot Public
    microsoft/Shiksha-Copilot’s past year of commit activity
    Python 5 MIT 5 1 56 Updated Dec 6, 2025
  • contractor Public

    A repository that implements a agentic system capable of evaluating security and quotization contracts based on a wide range of data sources.

    microsoft/contractor’s past year of commit activity
    Jupyter Notebook 14 MIT 6 0 11 Updated Dec 6, 2025
  • sqltoolsservice Public

    SQL Tools API service that provides SQL Server data management capabilities.

    microsoft/sqltoolsservice’s past year of commit activity
    C# 483 160 62 4 Updated Dec 6, 2025
  • AgentAsJudge Public

    An agentic evaluation framework

    microsoft/AgentAsJudge’s past year of commit activity
    Python 13 MIT 2 0 3 Updated Dec 6, 2025
  • agent-lightning Public

    The absolute trainer to light up AI agents.

    microsoft/agent-lightning’s past year of commit activity
    Python 9,411 MIT 757 52 (11 issues need help) 28 Updated Dec 6, 2025
  • SafeAgents Public

    A unified framework for building and evaluating safe multi-agent systems. Write once, run on Autogen, LangGraph, or OpenAI Agents. Built-in safety evaluation (ARIA, DHARMA), attack detection, and support for benchmarks like AgentHarm and ASB.

    microsoft/SafeAgents’s past year of commit activity
    Python 1 MIT 3 1 9 Updated Dec 6, 2025
  • healthcare-ai-model-evaluator Public

    Healthcare AI Model Evaluator (HAIME) empowers healthcare organizations to independently evaluate and customize AI solutions, addressing challenges of transparency, clinical relevance, and real-world impact. By putting control in the hands of clinical professionals, it enables confident, context-specific adoption of AI in healthcare.

    microsoft/healthcare-ai-model-evaluator’s past year of commit activity
    TypeScript 28 MIT 5 0 3 Updated Dec 6, 2025
  • plm_subnetworks Public

    Trainable subnetworks to disentangle structure knowledge in pretrained protein language models

    microsoft/plm_subnetworks’s past year of commit activity
    Jupyter Notebook 6 MIT 0 0 10 Updated Dec 6, 2025
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