Scripts on a train – Celtx Windows client [legacy] Posted on 28th September 202014th October 2020 by davethefan https://www.youtube.com/watch?v=IsCTBZ9fGQs I try to write some screenplay from a randomly generated synopsis blurb: because of my internet access being choppy due to being on a train, I set out to find a way where I can write scripts offline with Celtx in preparation for future videos.