Interactive Circle of Fifths vs PseudoRun

Explore the Interactive Circle of Fifths.

See and hear the relationships between chords in any key.

Learn fingerings from piano and guitar visualizers.

Study major, minor, and diminished chords, pentatonic, blues, diatonic, and harmonized scales.

PseudoRun is an interactive pseudocode platform that lets users write, run, and test algorithms in real-time without needing a traditional programming environment. Designed for beginners, students, and educators, it provides instant feedback, step-by-step execution, and a clean, distraction-free interface. Users can experiment with logic, debug ideas, and learn programming concepts efficiently. Perfect for coding practice, teaching, and learning algorithmic thinking, PseudoRun bridges the gap between theory and implementation, making coding accessible, engaging, and easy to understand for everyone.