Master programming by recreating your favorite technologies from scratch.

A collective list of free APIs

Interactive roadmaps, guides and other educational content to help developers grow in their careers.

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

The library for web and native user interfaces.

Linux kernel source tree

This is the repo for Vue 2. For Vue 3, go to https://github.com/vuejs/core

📝 Algorithms and data structures implemented in JavaScript with explanations and links to further readings

Visual Studio Code

Flutter makes it easy and fast to build beautiful apps for mobile and beyond

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

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

Master the command line, in one page

Get up and running with OpenAI gpt-oss, DeepSeek-R1, Gemma 3 and other models.

🤗 Transformers: the model-definition framework for state-of-the-art machine learning models in text, vision, audio, and multimodal models, for both inference and training.

Command-line program to download videos from YouTube.com and other video sites

The React Framework

The Go programming language

Microsoft PowerToys is a collection of utilities that help you customize Windows and streamline everyday tasks

《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 代码。简体版和繁体版同步更新，English version in translation

Production-Grade Container Scheduling and Management

A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev

Node.js JavaScript runtime ✨🐢🚀✨

Empowering everyone to build reliable and efficient software.

Promise based HTTP client for the browser and node.js

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

A modern runtime for JavaScript and TypeScript.

Collection of publicly available IPTV channels from all over the world

Deliver web apps with confidence 🚀

An enterprise-class UI design language and React UI library