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

A complete computer science study plan to become a software engineer.

Python - 100天从新手到大师

Master the command line, in one page

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

《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持简中、繁中、English、日本語，提供 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 等代码实现

📚 免费的计算机编程类中文书籍，欢迎投稿

A set of beautifully-designed, accessible components and a code distribution platform. Works with your favorite frameworks. Open Source. Open Code.

Python tool for converting files and office documents to Markdown.

科技爱好者周刊，每周五发布

🌐 Make websites accessible for AI agents. Automate tasks online with ease.

Explain complex systems using visuals and simple terms. Help you prepare for system design interviews.

Open Source Continuous File Synchronization

Code at the speed of thought – Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.

An open-source cross-platform alternative to AirDrop

#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere

Turn any PDF or image document into structured data for your AI. A powerful, lightweight OCR toolkit that bridges the gap between images/PDFs and LLMs. Supports 100+ languages.

Official electron build of draw.io

An awesome list that curates the best Flutter libraries, tools, tutorials, articles and more.

Unofficial Bitwarden compatible server written in Rust, formerly known as bitwarden_rs

Joplin - the privacy-focused note taking app with sync capabilities for Windows, macOS, Linux, Android and iOS.

The personal finance app for everyone

Run macOS VM in a Docker! Run near native OSX-KVM in Docker! X11 Forwarding! CI/CD for OS X Security Research! Docker mac Containers.

Windows inside a Docker container.

📱 Collaborative List of Open-Source iOS Apps

🎧 Open source music streaming app! Available for both desktop & mobile!

Bash is all you need - A nano claude code–like 「agent harness」, built from 0 to 1

OCR software, free and offline. 开源、免费的离线OCR软件。支持截屏/批量导入图片，PDF文档识别，排除水印/页眉页脚，扫描/生成二维码。内置多国语言库。

A modern file manager that helps users organize their files and folders.

A privacy-first, self-hosted, fully open source personal knowledge management software, written in typescript and golang.