Skip to content
@microsoft

Microsoft

Open source projects and samples from Microsoft

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 vscode Public

    Visual Studio Code

    TypeScript 193k 42.9k

  2. TypeScript TypeScript Public

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

    Go 111k 14.5k

  3. PowerToys PowerToys Public

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

    C 139k 8.6k

  4. terminal terminal Public

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

    C++ 105k 9.6k

  5. semantic-kernel semantic-kernel Public

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

    C# 28.6k 4.8k

Repositories

Showing 10 of 8306 repositories
  • vscode Public

    Visual Studio Code

    microsoft/vscode's past year of commit activity
    TypeScript 192,754 MIT 42,924 5,000+ (473 issues need help) 2,673 Updated Sep 21, 2026
  • kiota-python Public

    Abstractions library for Kiota generated Python clients

    microsoft/kiota-python's past year of commit activity
    Python 31 MIT 40 20 (2 issues need help) 5 Updated Sep 21, 2026
  • 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 20,283 2,932 471 (11 issues need help) 347 Updated Sep 21, 2026
  • SLG-Business-Applications Public

    A collection of Power Platform and Dynamics 365 resources, open-sourced to the State & Local Government community.

    microsoft/SLG-Business-Applications's past year of commit activity
    38 MIT 23 0 0 Updated Sep 21, 2026
  • oxidizer Public

    Oxidizer is a platform for Rust service development which bridges the gaps in the crate ecosystem to deliver a turn-key solution to enable the efficient creation of high-scale high-availability and high-performance services in Rust.

    microsoft/oxidizer's past year of commit activity
    Rust 173 MIT 30 2 45 Updated Sep 21, 2026
  • power-pages-samples Public

    A repo containing sample websites for Power Pages.

    microsoft/power-pages-samples's past year of commit activity
    TypeScript 48 MIT 28 0 3 Updated Sep 21, 2026
  • mssql-python Public

    Microsoft Python Driver for SQL Server

    microsoft/mssql-python's past year of commit activity
    Python 473 60 34 (1 issue needs help) 35 Updated Sep 21, 2026
  • testfx Public

    This repository holds the source code of Microsoft.Testing.Platform (MTP), a lightweight alternative to VSTest, as well as MSTest adapter and framework.

    microsoft/testfx's past year of commit activity
    C# 1,043 MIT 312 58 14 Updated Sep 21, 2026
  • retina Public

    eBPF distributed networking observability tool for Kubernetes

    microsoft/retina's past year of commit activity
    Go 3,174 MIT 304 123 (15 issues need help) 73 Updated Sep 21, 2026
  • go Public

    The Microsoft build of Go is a modified version of Go that can build FIPS compliant applications that satisfy internal Microsoft policies.

    microsoft/go's past year of commit activity
    Go 431 BSD-3-Clause 44 125 1 Updated Sep 21, 2026