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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 31k

  2. TypeScript TypeScript Public

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

    TypeScript 103k 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++ 97.4k 8.5k

  5. semantic-kernel semantic-kernel Public

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

    C# 23.5k 3.6k

Repositories

Showing 10 of 6698 repositories
  • MSBuildCache Public

    A plugin for MSBuild that adds support for storing and retrieving cache entries.

    microsoft/MSBuildCache’s past year of commit activity
    C# 44 MIT 14 5 7 Updated Mar 12, 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# 10,892 MIT 557 25 (13 issues need help) 18 Updated Mar 12, 2025
  • spark.js Public

    a suite of packages used to build on the Teams Platform.

    microsoft/spark.js’s past year of commit activity
    TypeScript 4 MIT 3 39 0 Updated Mar 12, 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 41,291 CC-BY-4.0 6,143 469 (14 issues need help) 35 Updated Mar 12, 2025
  • terminal Public

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

    microsoft/terminal’s past year of commit activity
    C++ 97,353 MIT 8,479 1,605 (490 issues need help) 54 Updated Mar 12, 2025
  • durabletask-protobuf Public

    Protobuf definitions for the Durable Task framework

    microsoft/durabletask-protobuf’s past year of commit activity
    5 MIT 9 0 1 Updated Mar 12, 2025
  • retina Public

    eBPF distributed networking observability tool for Kubernetes

    microsoft/retina’s past year of commit activity
    Go 2,861 MIT 222 106 (20 issues need help) 32 Updated Mar 12, 2025
  • bioemu Public

    Inference code for scalable emulation of protein equilibrium ensembles with generative deep learning

    microsoft/bioemu’s past year of commit activity
    Python 291 MIT 54 3 1 Updated Mar 12, 2025
  • vs-streamjsonrpc Public

    The StreamJsonRpc library offers JSON-RPC 2.0 over any .NET Stream, WebSocket, or Pipe. With bonus support for request cancellation, client proxy generation, and more.

    microsoft/vs-streamjsonrpc’s past year of commit activity
    C# 793 152 46 (1 issue needs help) 6 Updated Mar 12, 2025
  • Docker-Provider Public

    Azure Monitor for Containers

    microsoft/Docker-Provider’s past year of commit activity
    Ruby 148 109 0 6 Updated Mar 12, 2025
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