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.
Audio Hero - Over 250,000 royalty free music & sound effects for videos
Focus Noise - Productivity sounds and color noises to stay focused at work
TunePocket - Download 11,000+ royalty free music tracks and sound FX. Buy once, use forever. New music added daily. Save over 50% compared to most popular similar services. Incredible value!
Silenz - Mix ambient noise in with the music you're listening to
Premiumbeat - Premiumbeat.com provides high quality Royalty Free Music.