Search

Experience-Driven Black-Box Cost Control for Coding Agents

Python tool for converting files and office documents to Markdown.

Open-source Windows and Office activator featuring HWID, Ohook, TSforge, and Online KMS activation methods, along with advanced troubleshooting.

21 Lessons, Get Started Building with Generative AI

Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

18 Lessons to Get Started Building AI Agents

Open-Source Frontier Voice AI

Playwright MCP server

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

The Microsoft community Windows Package Manager manifest repository

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.

12 Weeks, 24 Lessons, AI for All!

12 weeks, 26 lessons, 52 quizzes, classic Machine Learning for all

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.

Agent Package Manager

A modular graph-based Retrieval-Augmented Generation (RAG) system

A programming framework for agentic AI

A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .NET.

Windows Subsystem for Linux

The open-source context layer for AI agents. PipesHub turns your company's knowledge (Slack, Drive, Jira, GitHub, Microsoft 365 and 50+ connectors) into a permission-aware workspace that agents can search, grep, navigate and cite. MCP, SDKs and built-in agents. Self-hosted.

Open-source AI red teaming toolkit from Microsoft. Test generative AI systems with automated scans, adaptive multi-turn attacks, and a web UI.

CLI for common Playwright actions. Record and generate Playwright code, inspect selectors and take screenshots.

ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator

Reactor is an experimental set of extensions to WinUI

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

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.

Xbox Download Assistant (Xbox下载助手) — Supports download acceleration for Xbox, Microsoft Store, PlayStation, Nintendo Switch, EA App, Battle.net, Epic Games, Ubisoft Connect, Riot Games, and Rockstar Games, and fixes access issues for Steam Store & Community and GitHub.

Policy-driven, layered isolation and containment

Go language library for reading and writing Microsoft Excel™ (XLAM / XLSM / XLSX / XLTM / XLTX) spreadsheets

The source for REST API specifications for Microsoft Azure.