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.

f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free and open source — self-host for your organization with complete privacy.

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

The open source coding agent.

Crack LeetCode, not only how, but also why.

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

📚 免费的计算机编程类中文书籍，欢迎投稿

Set up a modern web app by running one command.

Design patterns implemented in Java

✨ Light and Fast AI Assistant. Support: Web | iOS | MacOS | Android | Linux | Windows

💫 Toolkit to help you get started with Spec-Driven Development

Demonstrate all the questions on LeetCode in the form of animation.（用动画的形式呈现解LeetCode题目的思路）

Drop in a screenshot and convert it to clean code (HTML/Tailwind/React/Vue)

Original Apollo 11 Guidance Computer (AGC) source code for the command and lunar modules.

Resumes generated using the GitHub informations

Transforms complex documents like PDFs into LLM-ready markdown/JSON for your Agentic workflows.

⏬ Dumb downloader that scrapes the web

LeetCode Solutions: A Record of My Problem Solving Journey.( leetcode题解，记录自己的leetcode解题之路。)

A curated list of awesome Android UI/UX libraries

Material Design icons by Google (Material Symbols)

Universal memory layer for AI Agents

⭐AI-driven public opinion & trend monitor with multi-platform aggregation, RSS, and smart alerts.🎯 告别信息过载，你的 AI 舆情监控助手与热点筛选工具！聚合多平台热点 + RSS 订阅，支持关键词精准筛选。AI 智能筛选新闻 + AI 翻译 + AI 分析简报直推手机，也支持接入 MCP 架构…

📱 Collaborative List of Open-Source iOS Apps

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

Square’s meticulous HTTP client for the JVM, Android, and GraalVM.

A light-weight and powerful meta-prompting, context engineering and spec-driven development system for Claude Code by TÂCHES.

A collection of samples to discuss and showcase different architectural tools and patterns for Android apps.

omo; the best agent harness - previously oh-my-opencode

TradingAgents: Multi-Agents LLM Financial Trading Framework