Youtine - Develop self-discipline, without using an app.
AMPLI.FI - Live online music community. Twitch for tunes.
Wheel of Life - Self coaching tool for personal development and goal setting
Bandlab - Capture, nurture, and collaborate on song ideas in the cloud
Habit Challenge - Habit Challenge is an elegant mobile app that helps you to create new daily routines and keep you on track.
Blattarco - Creative self-developement for musicians of all level.