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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 169k 31.2k

  2. TypeScript TypeScript Public

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

    TypeScript 104k 12.8k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 117k 6.9k

  4. terminal terminal Public

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

    C++ 97.5k 8.5k

  5. semantic-kernel semantic-kernel Public

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

    C# 23.7k 3.6k

Repositories

Showing 10 of 6717 repositories
  • Multi-Agent-Custom-Automation-Engine-Solution-Accelerator Public

    The Multi-Agent Custom Automation Engine Solution Accelerator is an AI-driven orchestration system that manages a group of AI agents to accomplish tasks based on user input. Powered by AutoGen, Azure OpenAI, Cosmos, and infrastructure services, it provides a ready to go application to use as a reference, allowing you to hit the ground running.

    microsoft/Multi-Agent-Custom-Automation-Engine-Solution-Accelerator’s past year of commit activity
    Python 138 MIT 84 2 4 Updated Mar 24, 2025
  • kata-containers Public Forked from kata-containers/kata-containers

    Kata Containers is an open source project and community working to build a standard implementation of lightweight Virtual Machines (VMs) that feel and perform like containers, but provide the workload isolation and security advantages of VMs. https://katacontainers.io/

    microsoft/kata-containers’s past year of commit activity
    Rust 53 Apache-2.0 1,202 0 19 Updated Mar 24, 2025
  • prompty Public

    Prompty makes it easy to create, manage, debug, and evaluate LLM prompts for your AI applications. Prompty is an asset class and format for LLM prompts designed to enhance observability, understandability, and portability for developers.

    microsoft/prompty’s past year of commit activity
    Python 817 MIT 77 42 8 Updated Mar 24, 2025
  • content-processing-solution-accelerator Public

    Programmatically extract data and apply schemas to unstructured documents across text-based and multi-modal content using Azure AI Foundry, Azure OpenAI, Azure AI Content Understanding, and Cosmos DB.

    microsoft/content-processing-solution-accelerator’s past year of commit activity
    Python 3 MIT 0 0 2 Updated Mar 24, 2025
  • vstest Public

    Visual Studio Test Platform is the runner and engine that powers test explorer and vstest.console.

    microsoft/vstest’s past year of commit activity
    C# 921 MIT 332 48 4 Updated Mar 24, 2025
  • terraform-provider-fabric Public

    Terraform Provider for Microsoft Fabric

    microsoft/terraform-provider-fabric’s past year of commit activity
    Go 45 MPL-2.0 10 15 4 Updated Mar 24, 2025
  • fluentui Public

    Fluent UI web represents a collection of utilities, React components, and web components for building web applications.

    microsoft/fluentui’s past year of commit activity
    TypeScript 18,992 2,775 489 (7 issues need help) 192 Updated Mar 24, 2025
  • Qcodes Public

    Modular data acquisition framework

    microsoft/Qcodes’s past year of commit activity
    Python 362 MIT 321 182 46 Updated Mar 24, 2025
  • azure-pipelines-tasks Public

    Tasks for Azure Pipelines

    microsoft/azure-pipelines-tasks’s past year of commit activity
    TypeScript 3,535 MIT 2,627 381 (43 issues need help) 155 Updated Mar 24, 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# 10,922 MIT 559 22 (13 issues need help) 17 Updated Mar 24, 2025
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