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.
DBeaver - DBeaver - Universal Database Manager and SQL Client.
Noizio - Feeling that the noise of the big city is too much for you to bear?
DataGrip - Tool for SQL and databases
A Soft Murmur - Ambient sounds to wash away distraction.
MySQL Workbench - MySQL Workbench is a unified visual tool for database architects, developers, and DBAs.