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.
Sounds of Earth - Listen to relaxing ambient sounds of nature
Tide - Tide is probably one of the most popular relaxing and productivity boosting platforms available over the internet.
Noizer - Ambient sounds like Noisli, but free
Text-Generator.io - Self Hostable OpenAI Alternative
Ambie - Beautiful white noise app to help focus, sleep, or meditate.