A Soft Murmur - Ambient sounds to wash away distraction.
TubeLister - Generate a YouTube playlist from your opened tabs.
Rainy Mood - Rainy Mood is the world's most popular rain simulator. Sleep, study, and relax with the sound of rain.
DiskyT - Youtube playlists done right
Noizio - Feeling that the noise of the big city is too much for you to bear?
Vidlis - Create music playlists from YouTube videos.