Extracted system prompts from Anthropic - Claude Code, Claude Design, Opus 4.8, Sonnet 4.6. OpenAI - ChatGPT 5.5 Thinking, GPT 5.5 Instant, Codex, Google - Gemini - 3.5 Flash, 3.1 Pro, Antigravity, xAI - Grok, Cursor, Copilot, VS Code, Perplexity, and more. Updated regularly.

Collection of sample apps showcasing popular use cases using Cloud Functions for Firebase

Google map library for react that allows rendering components as markers 🎉

Translate your page in real time using Google, Bing or Yandex

Google's common JavaScript library

DNS over HTTPS config profiles for iOS & macOS

⚡️ 一个 Chrome 插件：将 Google CDN 替换为国内的。

Browser extension for reverse image search, available for Chrome, Edge and Safari

There was no free Dictionary API on the web when I wanted one for my friend, so I created one.

📖 A curated list of Awesome Userscripts.

leetcode problems I solved to prepare for my Google interview.

A free and unlimited API for Google Translate 💵🚫

⚡️ Content Management Framework creates custom CMS fast and easy. Support data sources such as Firebase/Firestore, GraphQL and Restful APIs.

Stateless login-with microservice for OAuth

the t-rex runner game extracted from chromium

🐒一些修改自网络的油猴脚本 Some Tampermonkey scripts modified from the internet

Google Maps plugin for Cordova

Companion code to the "How to Write a Google Maps React Component" Tutorial

Browser extension for viewing archived and cached versions of web pages, available for Chrome, Edge and Safari

Reliably create beautiful Add to Calendar Buttons, where people can add events to their calendars. Without the hustle and unsupported cases.