Final Draft - Use your creative energy to focus on the content; let Final Draft take care of the style.
Spotify - Map shows when two people play same song at same time
Celtx - Celtx is a scriptwriting software platform with applications in a wide range of mediums but that specializes in helping screenwriters.
SoundCloud - Enjoy music & follow favourite artists
Scrivener - Scrivener is a content-generation tool for composing and structuring documents.
Audiomack - The free SoundCloud alternative