Xylophone

Simple online tests for reaction time, memory, and focus

One brutal puzzle a day. Sharpen your brain in minutes.

Turn abstract probability and statistics concepts into visible, easy-to-understand content with fun interactive visual demos. Master core probabilistic thinking, and dive deep into classic theories including the Law of Large Numbers, Bayes' Theorem,

Upload audio, separate vocals from instrumentals, and preview results before saving

整理汇总许嵩全量歌曲中的各类歌词意象、典故与相关细节，歌迷可按分类浏览或关键词检索，探寻字里行间藏着的东方美学与创作巧思。

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。