Script charting is being rationalized so that most charts are delivered in the same way via eCharts
Viziscript includes standard script (word frequency) clouds and part of speech analysis and the ability to build-your-own basic script clouds.
By flagging scenes to the protagonist or antagonist arcs in your script synopsis you can produce simple timelines showing their scene arcs
Scenepad is a site run by Stewart McKie, a wannabee screenwriter based in the UK.
Stewart has a PhD in Screenplay Analytics, a MA in Screenwriting and a couple of feature-length screenplays gathering dust on a hard drive.