Background Noise on Steroids: "Noisli"

If you are the type of person that likes to have some background noise while working or trying to relax, then Noisli is the tool for you. It's a highly customizable way to create the perfect background noise for you while trying to be productive or to just relax. You can combine sounds to create the perfect mix of background noise. It's free to use and you don't even need an account to use it (though you can create an account if you wish).