Skip to content
@microsoft

Microsoft

Open source projects and samples from Microsoft
README.md

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.

Pinned Loading

  1. vscode Public

    Visual Studio Code

    TypeScript 175k 34.1k

  2. TypeScript Public

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

    TypeScript 106k 12.9k

  3. PowerToys Public

    Windows system utilities to maximize productivity

    C# 122k 7.3k

  4. terminal Public

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

    C++ 99.1k 8.7k

  5. semantic-kernel Public

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

    C# 25.7k 4.1k

Repositories

Showing 10 of 6997 repositories
  • codeql Public Forked from github/codeql

    CodeQL: the libraries and queries that power security researchers around the world, as well as code scanning in GitHub Advanced Security

    CodeQL 16 MIT 1,997 14 11 Updated Aug 4, 2025
  • teams.ts Public

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

    TypeScript 19 MIT 14 80 (1 issue needs help) 11 Updated Aug 4, 2025
  • CoseSignTool Public

    CoseSignTool is a platform-agnostic command line application to COSE sign files and validate COSE signatures. CoseHandler is a library of functions for COSE signing and validation for use by .NET applications.

    C# 48 MIT 17 3 6 Updated Aug 4, 2025
  • FluidFramework Public

    Library for building distributed, real-time collaborative web applications

    TypeScript 4,850 MIT 553 21 73 Updated Aug 4, 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/

    Rust 67 Apache-2.0 1,275 0 20 Updated Aug 4, 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.

    C# 11,387 MIT 588 21 (11 issues need help) 17 Updated Aug 4, 2025
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    TypeScript 8,085 MIT 987 0 40 Updated Aug 4, 2025
  • durabletask-dotnet Public

    Out-of-process .NET SDK for the Durable Task Framework

    C# 151 MIT 48 83 16 Updated Aug 4, 2025
  • Agents-for-python Public

    This repository is for active development of the Microsoft 365 Agent SDK components for Python

    Python 54 MIT 27 19 0 Updated Aug 4, 2025
  • azure-privacy-sandbox-kms Public
    TypeScript 9 MIT 16 22 15 Updated Aug 4, 2025
View all repositories

Sponsoring

  • @wixtoolset
GitHub Sponsor Developer Program Member