ChordIQ - Learn notes, chords, sight reading, perfect pitch and more.
Musico - A game-based digital play-along practice platform 🎶
muted.io - A magical collection of interactive music theory tools & visual reference pages for musicians and music producers
7Pad Scales and chords - Music instrument and assistant for playing scales and chords.
lightnote - An interactive site to learn the basics of music theory 🎶
Tonaly - Compose songs and practice scales