Featured Projects

Accessibility Insights

Accessibility Insights is a suite of open source tools that help developers find and fix accessibility issues in Web, Windows and Android applications.

Get Accessibility Insights

Azure SDKs

The Azure SDKs are a set of libraries focused on ensuring that developers around the world have a first-class experience leveraging Azure services in their applications.

Visit the Azure SDK page

Blazor

Blazor lets you build interactive web UIs using C# instead of JavaScript

Get started with Blazor

Bond

Bond is an open-source, cross-platform framework for working with schematized data.

Browse the Bond repo

CCF

CCF is a framework for building secure, highly available, performant blockchain and multi-party applications.

Learn more about CCF

CNAB

CNAB is a spec for packaging distributed apps

Learn more about CNAB

Dapr

An event-driven, portable runtime for building microservices on cloud and edge

Get involved in Dapr

Decentralized & Collaborative AI on Blockchain

Decentralized & Collaborative AI on Blockchain is a framework to host and train publicly available machine learning models. Ideally, using a running inference using a model stored in a smart contract is free.

Hodl that model

.NET

.NET is Microsoft's open-source, general-purpose development framework for building cross-platform apps.

About .NET

FAST

A collection of technologies built on Web Components and modern Web Standards, designed to help you efficiently tackle some of the most common challenges in website and application design and development

About FAST

Fluent UI

A collection of Fluent Design UX frameworks for creating beautiful, cross-platform apps that share code, design, and interaction behavior.

Get started with Fluent UI

Fluid Framework

Fluid Framework is a collection of client libraries for distributing and synchronizing shared state.

Learn more about Fluid Framework

Forge

Forge is a generic low-code framework built on a config-driven tree walker.

Learn more about Forge

Graph Engine

Graph Engine is an open-source distributed in-memory graph processing engine.

About Graph Engine

Language Server Protocol

Defines the protocol used between an editor or IDE and a language server to provide useful features

Learn more about the Language Server Protocol

ONNX Runtime

ONNX Runtime is a cross-platform inferencing and training accelerator compatible with many popular ML/DNN frameworks, including PyTorch, TensorFlow/Keras, scikit-learn, and more

About ONNX Runtime

Open Enclave SDK

Open Enclave is an open source C SDK for creating a single unified enclave abstraction to build Trusted Execution Environment (TEEs) based applications.

Browse the Open Enclave repo

Open Service Mesh

Open Service Mesh (OSM) is a lightweight and extensible cloud native service mesh

About Open Service Mesh

pg_auto_failover

pg_auto_failover is an extension and service for PostgreSQL that monitors and manages automated failover for a Postgres cluster

About pg_auto_failover

Playwright

Playwright is a Node.js library to automate Chromium, Firefox and WebKit with a single API.

About Playwright

PowerShell

PowerShell is a cross-platform task automation and configuration management framework, consisting of a command-line shell and scripting language.

About PowerShell

PowerToys

Microsoft PowerToys is a set of utilities for power users to tune and streamline their Windows experience for greater productivity.

Learn about PowerToys...

Project Mu

Project Mu is a modular adaptation of TianoCore's edk2 (UEFI BIOS reference) tuned for building modern devices using a scalable, maintainable, and reusable pattern

About Project Mu

PWABuilder

Helping developers build Progressive Web Apps (PWAs) and package them for app stores like Google Play, Microsoft Store, MacOS Store, and more.

Try PWABuilder

SONiC

SONiC is an open source network operating system based on Linux that runs on switches from multiple vendors and ASICs

Learn more about SONiC

Windows Terminal

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

Check out the Terminal source code

TypeScript

TypeScript is an open-source and cross-platform language that builds on JavaScript by adding static types and type-checking

Visit typescriptlang.org

VFS for Git

The Virtual Filesystem for Git (formerly GVFS) is an open source system that enables Git to operate at enterprise-scale

Visit the VFS for Git page

Virtual Kubelet

Virtual Kubelet is an open source Kubernetes kubelet implementation

Get involved in Virtual Kubelet

Visual Studio Code

Visual Studio Code is a free, highly customizable code editor that is based on an open-source codebase and runs on Linux, macOS, and Windows.

Explore Visual Studio Code

YARN Federation

YARN Federation allows to operate several YARN clusters and tie them together transparently

Learn more about YARN