Free learning and practice tools
These tools help you learn and practice. Train dosage calculation, play chess, learn salsa, test your typing speed and keep time with a metronome. You can also guess facts about the world. The tools are free and most have no sign-up.
The tools
ChessChess Tactics Trainer: rated tactics puzzles in the browser.chess.utilarium.app
11 languages: English, German, Polish, Spanish, Portuguese, French, Indonesian, Japanese, Vietnamese, Thai, ArabicCoroA salsa trainer: lessons, song stories, Casino and LA-style patterns, rhythm and technique, with a rhythm mixer.coro.utilarium.app
11 languages: English, German, Portuguese, French, Japanese, Indonesian, Spanish, Arabic, Polish, Vietnamese, ThaiMetronomeFree online metronome with tap tempo, time signatures and subdivisions.metronome.utilarium.app
6 languages: English, Indonesian, Spanish, Portuguese, German, PolishTyping TestFree typing speed test: WPM, accuracy, weak keys and code practice.typing-test.utilarium.app
5 languages: English, Indonesian, Spanish, Portuguese, Arabic