Noizio - Feeling that the noise of the big city is too much for you to bear?
Perfect Ear - A simple yet advanced application for improving your solfege skills.
Noisli - Noisli is a fantastic background noise and color generator for working and relaxing. Online soothing ambient sounds like White noise, Rain and Coffee Shop.
EarMaster - Professional software for ear training and practical music theory on Windows and Mac.
Defonic - Create a unique sound environment at home or in the office
GitHub Audio - Tracks events across GitHub to generate calming work music