Text
Convert text to and decode incoming signals. Share decoded messages. the alphabet through interactive lessons and exercises. Track progress with daily practice. Test skills with quizzes and audio pattern recognition.
Showing 61–80 of 1,000 ranked alternatives.
HIROAKI TSUKASHIMA
Make, read, play, and learn code
Create, read, and play code with this . Input text or type to generate codes. Interpret signals from light or sound. Take quizzes to practice decoding code strings. Learn through interactive exercises and feedback.
Luli Languages LLC
Japanese with writing, vocabulary, and quizzes
Japanese with writing lessons covering and Katakana. Study vocabulary and grammar through structured lessons. Take spaced repetition quizzes for review. Practice translation between English and Japanese. Listen to audio for pronunciation.
Upskew Pty. Ltd.
Coding with interactive lessons
Programming languages like Python, SQL, HTML/CSS, and JavaScript through short, interactive lessons. Complete coding exercises and quizzes to practice skills. Track progress and revisit lessons at your own pace.
Alejandro Martinez de Carvajal
Search navigation instantly anywhere
COLREGs offers flag identification, weather scales, cloud recognition, sound signal guidance, and vessel light details. Users can access navigation , interpret flags, and understand sound and light signals for safe boating.
Ronald Nicholson
Send Morse Code with touch gestures
Learn and practice Morse Code by touching the screen to generate tones. Adjust tone frequency from 300 Hz to 1200 Hz and control volume. Send dots with short touches and dashes with longer holds.
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.