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Open Source at Microsoft

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Right now, open communities are building amazing software together, and there are excellent "good first issue" opportunities, if you're looking to get involved.

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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 194k 45.5k

  2. TypeScript TypeScript Public

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

    Go 112k 16.8k

  3. PowerToys PowerToys Public

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

    C 140k 8.6k

  4. terminal terminal Public

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

    C++ 105k 9.7k

  5. semantic-kernel semantic-kernel Public

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

    C# 28.7k 4.8k

Repositories

Showing 10 of 8387 repositories
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs's past year of commit activity
    11,217 MIT 11,150 1,379 4,255 Updated Oct 21, 2026
  • nvx Public

    Cross-Platform Micro-VM Sandbox for Agentic Workloads

    microsoft/nvx's past year of commit activity
    Rust 605 MIT 41 88 (4 issues need help) 24 Updated Oct 21, 2026
  • simplechat Public

    Secure AI conversations with documents, video, audio, and more. Personal workspaces for focused context, group spaces for shared insight. Classify docs, reuse prompts, and extend with modular features.

    microsoft/simplechat's past year of commit activity
    Python 157 117 324 14 Updated Oct 21, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode's past year of commit activity
    TypeScript 194,190 MIT 45,500 5,000+ (466 issues need help) 2,992 Updated Oct 21, 2026
  • amplifier-unified Public

    Unified shell for the Amplifier project

    microsoft/amplifier-unified's past year of commit activity
    Python 3 MIT 1 24 16 Updated Oct 21, 2026
  • vscode-mssql Public

    Visual Studio Code SQL Server extension.

    microsoft/vscode-mssql's past year of commit activity
    TypeScript 1,915 619 211 16 Updated Oct 21, 2026
  • trident Public

    Azure Linux servicing agent - security focused install, provisioning, and update

    microsoft/trident's past year of commit activity
    Rust 31 MIT 17 13 55 Updated Oct 21, 2026
  • microsoft/opentelemetry-distro-browser's past year of commit activity
    TypeScript 1 MIT 6 0 4 Updated Oct 21, 2026
  • 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# 12,053 MIT 716 41 (11 issues need help) 45 Updated Oct 21, 2026
  • ApplicationInsights-node.js Public

    Microsoft Application Insights SDK for Node.js

    microsoft/ApplicationInsights-node.js's past year of commit activity
    TypeScript 334 MIT 149 3 2 Updated Oct 21, 2026