A website offering over 6000 VALORANT crosshair codes (continuously updated) and a custom crosshair generator tool.

An AI tool that summarizes and extracts insights from Ruan Yifeng's weekly tech enthusiast newsletters using large language model APIs.

GitHub Card is an online tool that transforms GitHub user profiles into visually appealing personal cards. It uses OAuth to fetch GitHub data and generates customizable cards with contribution stats, language analysis, and more. Users can download images or share links, and it includes a developer ranking feature.

Quick Sign is an online signature application that allows users to sign documents remotely. It supports uploading documents, setting signature positions, generating shareable links or QR codes, and sending signed documents to specified emails. Ideal for signing reimbursement forms, contracts, and IOUs without physical presence.

A free, open-source online tool for creating Open Graph images, Twitter/X headers, and blog cover images. No registration required, with professional templates and instant preview.

Affordable GPT4o drawing API priced at 0.02 yuan per image, providing stable service and cost reduction.

A learning-oriented 3D Gaussian Splatting project implemented from scratch using NVIDIA Warp. Runs on both CPU and GPU without CUDA dependencies, featuring clean code and simplified structure ideal for graphics beginners.

An article introducing the /proc directory in Linux, explaining its significance and usage.

A cultural discovery journey featuring festivals from around the world, helping users explore and learn about diverse celebrations.

A Windows 98 style React component library built with shadcnui and Tailwind CSS, offering ready-to-use components for creating retro-style web applications.

TrendsBar is a browser extension for Google Trends that helps users analyze keyword trends, discover business opportunities, and gain data insights efficiently. It offers batch analysis, smart comparison, and deep keyword evaluation.

Ainee is an open-source AI-powered note-taking tool that converts multi-format files into structured notes and enables intelligent conversations with your knowledge base. It supports features like audio-to-text conversion, YouTube subtitle extraction, OCR, and Twitter scraping, offering a free alternative to tools like NotebookLM.