MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Flowkey - The easiest way to learn piano with your iPhone or iPad
Brevo - Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.
Yousician - Learn to play music at home, at your own pace
Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.
Melodics - Melodics is a desktop app that teaches you to play MIDI keyboards, pad controllers, and drums.