Playlist Machinery - Tools that help you create & organize your Spotify playlists
Bit : Habit Tracker - Bit : Habit Tracker is a digital habit tracking app that comes up with features to help you in keeping track of a large number of habits on the basis of their categories.
Heartbeat - Listen to music with your friends together, on Spotify
Nomie - Open-source mood and life tracking
Magic Playlist - Get the playlist of your dreams based on a song
Habit Rabbit - Habit Rabbit app allows users to create life goals so they can track their goals and get things done by using small habits.