Searchable snapshot of public Microsoft repositories from github.com/microsoft. Included repositories have more than 200 stars and a commit within the last three months, since 2026-04-28.
548qualified repos
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Established Repos With Fresh Traction
Ranked by recent commits, freshness, stars, and forks so active projects with broad audiences rise first.
SkillOpt is a text-space optimizer that trains reusable natural-language skills for frozen LLM agents through trajectory-driven edits, validation-gated updates, and deployable best_skill.md artifacts.
Free, open-source web app for learning about ontologies and Microsoft Fabric IQ. Explore a catalogue of pre-built ontologies, design your own visually, export as RDF/XML, and share interactive diagrams. Zero backend, fully static.
Qlib is an AI-oriented Quant investment platform that aims to use AI tech to empower Quant Research, from exploring ideas to implementing productions. Qlib supports diverse ML modeling paradigms, including supervised learning, market dynamics modeling, and RL, and is now equipped with https://github.com/microsoft/RD-Agent to automate R&D process.
AI Agent Governance Toolkit — Policy enforcement, zero-trust identity, execution sandboxing, and reliability engineering for autonomous AI agents. Covers 10/10 OWASP Agentic Top 10.
Research and development (R&D) is crucial for the enhancement of industrial productivity, especially in the AI era, where the core aspects of R&D are mainly focused on data and models. We are committed to automating these high-value generic R&D processes through R&D-Agent, which lets AI drive data-driven AI. 🔗https://aka.ms/RD-Agent-Tech-Report
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.
This repository is for the legacy Mixed Reality Toolkit (MRTK) v2. For the latest version of the MRTK please visit https://github.com/MixedRealityToolkit/MixedRealityToolkit-Unity
A distributed approximate nearest neighborhood search (ANN) library which provides a high quality vector index build, search and distributed online serving toolkits for large scale vector search scenario.
CMake Tools provides a robust, convenient workflow for CMake projects in VS Code. It simplifies configurations with CMake presets, supports IntelliSense and built-in debugging for CMake scripts, and offers configurable tasks. Its customizable interface allows for efficient project control, while also simplifying test execution and monitoring.
Prompty makes it easy to create, manage, debug, and evaluate LLM prompts for your AI applications. Prompty is an asset class and format for LLM prompts designed to enhance observability, understandability, and portability for developers.
Home of the Dynamics 365 Business Central AL Language extension for Visual Studio Code. Used to track issues regarding the latest version of the AL compiler and developer tools available in the Visual Studio Code Marketplace or as part of the AL Developer Preview builds for Dynamics 365 Business Central.
Fabric toolbox is a repository of tools, accelerators, scripts, and samples to accelerate your success with Microsoft Fabric, brought to you by Fabric CAT.
The Visual Studio MI Debug Engine ("MIEngine") provides an open-source Visual Studio Debugger extension that works with MI-enabled debuggers such as gdb and lldb.
The Microsoft FOSS Fund provides a direct way for Microsoft engineers to participate in the nomination and selection process to help communities and projects they are passionate about. The FOSS Fund provides sponsorships to open source projects as selected by Microsoft employees.
A set of type stubs for popular Python packages. These are works in progress from the Microsoft Python team and others, with the intent that they are contributed to typeshed or to the associated packages once sufficiently complete.
Power Platform GitHub Actions automate common build and deployment tasks related to Power Platform. This includes synchronization of solution metadata (a.k.a. solutions) between development environments and source control, generating build artifacts, deploying to downstream environments, provisioning/de-provisioning of environments, and the ability to perform static analysis checks against your solution using the PowerApps checker service.
libHttpClient provides a platform abstraction layer for HTTP and WebSocket, and is designed for use by the Microsoft Xbox Live Service API (XSAPI) [https://github.com/Microsoft/xbox-live-api] and game devs. If you want to contribute to the project, please talk to us to avoid overlap.
The Power Platform VSCode extension makes it easy to manage Power Platform environments and allows the developer to create, build and deploy Power Platform solutions, packages and portals.
An API to locate MSBuild assemblies from an installed Visual Studio location. Use this to ensure that calling the MSBuild API will use the same toolset that a build from Visual Studio or msbuild.exe would.
Makefile Tools offers a robust workflow for Makefile projects in VS Code, with pre and post-configure script automation, easy configuration switching, and IntelliSense support for Makefile. The customizable user interface and environment variable management simplify development. It can also generate a compilation database for use with other tools.
Frameworks, compilers, runtimes, SDKs, and language ecosystems with Microsoft stewardship. Showing all qualifying repositories in this cluster by stars.
The OpenAPI.NET SDK contains a useful object model for OpenAPI documents in .NET along with common serializers to extract raw OpenAPI JSON and YAML documents from the model.
Microsoft.FeatureManagement provides standardized APIs for enabling feature flags within applications. Utilize this library to secure a consistent experience when developing applications that use patterns such as beta access, rollout, dark deployments, and more.
The Microsoft.VisualStudio.Threading is a xplat library that provides many threading and synchronization primitives used in Visual Studio and other applications.
This repository holds the source code of Microsoft.Testing.Platform (MTP), a lightweight alternative to VSTest, as well as MSTest adapter and framework.
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.
RecursiveExtractor is a .NET Standard 2.0 archive extraction Library, and Command Line Tool which can process 7zip, ar, bzip2, deb, gzip, iso, rar, tar, vhd, vhdx, vmdk, wim, xzip, and zip archives and any nested combination of the supported formats.
★ 218⑂ 34⟳ 183
⏱ Jun 15, 2026
Azure, Cloud & Distributed Systems
Azure SDKs, cloud infrastructure, distributed systems, orchestration, and service platforms. Showing all qualifying repositories in this cluster by stars.
Service Fabric is a distributed systems platform for packaging, deploying, and managing stateless and stateful distributed applications and containers at large scale.
The Multi-Agent Custom Automation Engine Solution Accelerator is an AI-driven system that manages a group of AI agents to accomplish tasks based on user input. Powered by Microsoft Agent Framework, Azure Foundry, Azure Cosmos DB, and infrastructure services, it provides a reference application, allowing you to hit the ground running.
MCP Gateway is a reverse proxy and management layer for MCP servers, enabling scalable, session-aware stateful routing and lifecycle management of MCP servers in Kubernetes environments.
This solution accelerator leverages Microsoft Foundry, Azure Content Understanding, Azure OpenAI Service, and Foundry IQ to enable organizations to derive insights from volumes of conversational data using generative AI. It offers key phrase extraction, topic modeling, and interactive chat experiences through an intuitive web interface.
DacFx, SqlPackage, and other SQL development libraries enable declarative database development and database portability across SQL versions and environments. Share feedback here on dacpacs, bacpacs, and SQL projects.
Easily manage your storage account data with Microsoft Azure Storage Explorer. Easily upload, download, and manage data from blob containers, file shares, queues, tables, and virtual machine disks. Control access and sharing through CORS rules, ACLs and more.
Master GitHub Copilot for C#/.NET development via this curriculum! Learn AI-driven paired programming, optimize your workflow, and write cleaner, faster code.
The IQ Series is a hands-on learning experience for Microsoft IQ: Microsoft's unified intelligence layer for the enterprise, spanning Foundry IQ, Work IQ, and Fabric IQ. The series includes video episodes, Jupyter notebooks, and Azure deployment templates.
Data Accelerator for Apache Spark simplifies onboarding to Streaming of Big Data. It offers a rich, easy to use experience to help with creation, editing and management of Spark jobs on Azure HDInsights or Databricks while enabling the full power of the Spark engine.
The RAG Experiment Accelerator is a versatile tool designed to expedite and facilitate the process of conducting experiments and evaluations using Azure Cognitive Search and RAG pattern.
Power Platform Build Tools automate common build and deployment tasks related to Power Platform. This includes synchronization of solution metadata (a.k.a. solutions) between development environments and source control, generating build artifacts, deploying to downstream environments, provisioning/de-provisioning of environments, and the ability to perform static analysis checks against your solution using the PowerApps checker service.
Programmatically extract data and apply schemas to unstructured documents across text-based and multi-modal content using Azure AI Foundry, Azure OpenAI, Azure AI Content Understanding, and Cosmos DB.
Solution accelerator built on Azure OpenAI Service and Azure AI Document Intelligence to process and extract summaries, entities, and metadata from unstructured, multi-modal documents and enable searching and chatting over this data.
A deployment of a secure, extensible and integrated environment for running AI Foundry workloads in Production. It simplifies the process of including essential Azure services necessary to run mission-critical AI applications and adhere to Microsoft Well Architected Framework recommendations.
AI frameworks, model tooling, data systems, analytics, database engines, and research code. Showing all qualifying repositories in this cluster by stars.
Qlib is an AI-oriented Quant investment platform that aims to use AI tech to empower Quant Research, from exploring ideas to implementing productions. Qlib supports diverse ML modeling paradigms, including supervised learning, market dynamics modeling, and RL, and is now equipped with https://github.com/microsoft/RD-Agent to automate R&D process.
SkillOpt is a text-space optimizer that trains reusable natural-language skills for frozen LLM agents through trajectory-driven edits, validation-gated updates, and deployable best_skill.md artifacts.
Research and development (R&D) is crucial for the enhancement of industrial productivity, especially in the AI era, where the core aspects of R&D are mainly focused on data and models. We are committed to automating these high-value generic R&D processes through R&D-Agent, which lets AI drive data-driven AI. 🔗https://aka.ms/RD-Agent-Tech-Report
This is a Phi Family of SLMs book for getting started with Phi Models. Phi a family of open sourced AI models developed by Microsoft. Phi models are the most capable and cost-effective small language models (SLMs) available, outperforming models of the same size and next size up across a variety of language, reasoning, coding, and math benchmarks
Responsible AI Toolbox is a suite of tools providing model and data exploration and assessment user interfaces and libraries that enable a better understanding of AI systems. These interfaces and libraries empower developers and stakeholders of AI systems to develop and monitor AI more responsibly, and take better data-driven actions.
Official implementation of MatterGen -- a generative model for inorganic materials design across the periodic table that can be fine-tuned to steer the generation towards a wide range of property constraints.
A refined collection of Hypervelocity Engineering components (instructions, prompts, agents, and skills) to start your project off right, or upgrade your existing projects to get the most out of GitHub Copilot
The Microsoft JDBC Driver for SQL Server is a Type 4 JDBC driver that provides database connectivity with SQL Server through the standard JDBC application program interfaces (APIs).
Microsoft AI for Good Lab — Biodiversity research hub. Open-source AI models, edge devices, and tools for biodiversity monitoring and conservation. Your source for MegaDetector, SPARROW, PytorchWildlife, Bioacoustics, and more.
The Microsoft 365 Agent SDK simplifies building full stack, multichannel, trusted agents for platforms including M365, Teams, Copilot Studio, and Webchat.
ESE is an embedded / ISAM-based database engine, that provides rudimentary table and indexed access. However the library provides many other strongly layered and and thus reusable sub-facilities as well: A Synchronization / Locking library, a Data-structures / STL-like library, an OS-abstraction layer, and a Cache Manager, as well the full blown database engine itself
A plugin marketplace for Claude Code/GitHub Copilot that provides Power Platform development plugins, including reusable skills, agents, and commands for building and deploying solutions.
SQL Nexus is a tool that helps you identify the root cause of SQL Server performance issues. It loads and analyzes performance data collected by SQL LogScout, SQLDiag or PSSDiag. It can dramatically reduce the amount of time you spend manually analyzing data.
A skill for AI-coding tools to build and edit Microsoft Copilot Studio agents as YAML — with schema validation, templates, and AI-powered skills. Suited for Claude Code, GitHub Copilot CLI, and more.
Microsoft Finance Time Series Forecasting Framework (FinnTS) is a forecasting package that utilizes cutting-edge time series forecasting and parallelization on the cloud to produce accurate forecasts for financial data.
This is an open-source implementation of the ITU P.808 standard for "Subjective evaluation of speech quality with a crowdsourcing approach" (see https://www.itu.int/rec/T-REC-P.808/en). It uses Amazon Mechanical Turk as the crowdsourcing platform. It includes implementations for Absolute Category Rating (ACR), Degradation Category Rating (DCR), and Comparison Category Rating (CCR).
This repository is for active development of the Microsoft 365 Agent SDK components for Python
★ 201⑂ 83⟳ 277
⏱ Jul 27, 2026
Web, JavaScript & Frontend
Browser-facing frameworks, React and Node tooling, Fluent UI, docs sites, and web platforms. Showing all qualifying repositories in this cluster by stars.
Free, open-source web app for learning about ontologies and Microsoft Fabric IQ. Explore a catalogue of pre-built ontologies, design your own visually, export as RDF/XML, and share interactive diagrams. Zero backend, fully static.
A collection of challenge based hack-a-thons including student guide, coach guide, lecture presentations, sample/instructional code and templates. Please visit the What The Hack website at: https://aka.ms/wth
WinGet is the Windows Package Manager. This project includes a CLI (Command Line Interface), PowerShell modules, and a COM (Component Object Model) API (Application Programming Interface).
This repo contains driver samples prepared for use with Microsoft Visual Studio and the Windows Driver Kit (WDK). It contains both Universal Windows Driver and desktop-only driver samples.
The Windows App SDK empowers all Windows desktop apps with modern Windows UI, APIs, and platform features, including back-compat support, shipped via NuGet.
This repo includes PowerShell scripts and VMM service templates for setting up the Microsoft Software Defined Networking (SDN) Stack using Windows Server 2025
💻 Make the terminal / shell accessible for AI agents. Automate tasks with ease.
★ 203⑂ 18⟳ 138
⏱ Jul 18, 2026
Security, Identity & Compliance
Authentication, identity, authorization, security tooling, privacy, and compliance projects. Showing all qualifying repositories in this cluster by stars.
This open-source curriculum introduces the fundamentals of Model Context Protocol (MCP) through real-world, cross-language examples in .NET, Java, TypeScript, JavaScript, Rust and Python. Designed for developers, it focuses on practical techniques for building modular, scalable, and secure AI workflows from session setup to service orchestration.
AI Agent Governance Toolkit — Policy enforcement, zero-trust identity, execution sandboxing, and reliability engineering for autonomous AI agents. Covers 10/10 OWASP Agentic Top 10.
A source code analyzer built for surfacing features of interest and other characteristics to answer the question 'What's in the code?' quickly using static analysis with a json based rules engine. Ideal for scanning components before use or detecting feature level changes.
The Python Risk Identification Tool for generative AI (PyRIT) is an open source framework built to empower security professionals and engineers to proactively identify risks in generative AI systems.
RESTler is the first stateful REST API fuzzing tool for automatically testing cloud services through their REST APIs and finding security and reliability bugs in these services.
winapp, the Windows App Development CLI, is a single command-line interface for managing Windows SDKs, packaging, generating app identity, manifests, certificates, and using build tools with any app framework.
