Save The Star

自动识别公开牌面、追踪剩余牌，支持斗地主、跑得快、掼蛋，提供 iOS 与 Android 版本。

A powerful, easy-to-use online tool designed to help users effortlessly save and download images and videos from all major social media platforms.

Web-based Sudoku game: just open the website to start playing.

45,000+ AI prompts for image, video & PPT generation with semantic search — copy, paste, create.

cpstest is a web-based tool for testing mouse click speed, evaluating concentration, measuring reaction speed, and providing fun, focused training.

Simple online tests for reaction time, memory, and focus