UI Quiz

A fun geography puzzle website with multiple satellite map gameplay modes, including city guessing from satellite images, location guessing, geography quizzes, satellite wallpapers, and themed satellite maps.

Advanced AI education agent that builds a one-stop AI learning closed loop featuring "video lectures, in-class practice, and intelligent review"

NuromBoard is an AI-powered visual thinking workbench built for learning, exam prep, and academic paper reading, connecting PDF annotation, whiteboard organization, and mind map building into a seamless knowledge workflow.

CompareHeights lets you easily create stunning height comparison charts, compare the height of people, celebrities, animals, buildings and any objects, and export or share beautiful visualizations. 🎨📐

Huiyi is an AI-powered browser extension offering immersive bilingual side-by-side translation. It supports multi-language translation, PDF translation with perfect layout preservation, bilingual subtitles for YouTube and Bilibili, AI word selection

Free ancient poetry calligraphy practice sheets, a great helper for both handwriting practice and learning