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.

MyNoise - Custom shaped online noise machines. Many Many generic sounds

Text-Generator.io - Self Hostable OpenAI Alternative

ASMR Hunt - Find what relaxes you the most

Tide - Tide is probably one of the most popular relaxing and productivity boosting platforms available over the internet.

Mishi - Mishi improves your sleep, health and wellbeing through music and sound exploration.