tonestro - Practice & improve on your wind instrument while having fun
Melodics - Melodics is a desktop app that teaches you to play MIDI keyboards, pad controllers, and drums.
Violin by Trala - Violin by Trala is a music learning app that is designed specifically for Violin users.
Sibelius - Sibelius is a virtual score creation tool which allows composers to easily create new piano scores, developed by Avid.
Simply Piano - Fast and fun way to learn piano
Warmup Inbox - Warmup Inbox is a tool that automates the process of warming up your email inboxes, raising your sender reputation and inbox health automatically.