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Practice recognizing the four tones of Mandarin Chinese. Listen to audio samples and test your ear — great for beginners learning tonal pronunciation.

by met

Interactive French vocabulary trainer with 75 word pairs, flip cards, auto-study mode, matching quizzes, and contextual example sentences.

by rimkahan888

Guess the country from progressive clues — region, capital, population, languages, and more. The fewer clues you need, the higher your score!

by Launch Arcade

Search any country and get travel info at a glance -- population, currency, languages, and more. A quick reference for planning your next trip.

by natasha-mann

Explore all 118 elements with a beautiful glassmorphism periodic table. Search, filter, and learn about each element.

by independent-coder

A live-coding music sequencer where every letter of the alphabet is an operator. Route signals through a 2D grid to generate sound.

by Hundred Rabbits

Paste HTML and get clean Markdown output instantly. A live converter for turning web content into readable, portable Markdown text.

by stonehank

An interactive video player inspired by Black Mirror: Bandersnatch. Make choices during playback that change the story.

by mehotkhan

A tiny, elegant code editor for the browser with syntax highlighting. Write and edit code in a clean, minimal interface.

by kazzkiq

An open-source puzzle game editor and engine. Design, build, and play tile-based puzzle games right in the browser.

by increpare

A stunning cyberpunk-style interactive periodic table with 3D electron orbital visualizations and element heatmaps.

by SeanWong17

A bundle of puzzle games and image tools — play jigsaw puzzles and caro, plus crop, split, and resize images. All in one slick web app.

by TranHuuDat2004