The Theta Music Trainer offers a series of online courses and games for ear training and music theory. https://trainer.thetamusic.com/en

 

Lets kids play instruments online. Instruments include the guitar, piano, pan flute, drums, and bongos. https://www.virtualmusicalinstruments.com/

 

Music practice transformed https://www.smartmusic.com/

 

QuaverMusic is offering free access to general music activities to all impacted schools, including free student access at-home https://www.quavermusic.com/info/at-home-resources/

 

Prodigies is a colorful music curriculum for kids 1-12 that will teach your kids how to play their first instrument, how to sing in tune & how to understand the language of music! 21 for free https://prodigiesmusic.com/

 

Introductory and intermediate music theory lessons, exercises, ear trainers, and calculators. https://www.musictheory.net/

 

Music is for everyone https://musiclab.chromeexperiments.com/Experiments