Sites and apps similar to EnsembleWriter include Final Draft. It's paid, but WriterSolo is free. Other options are Celtx, Highland and Arc Studio Pro. In total there are five Novel Authoring Tools like EnsembleWriter for Mac, iPhone, iPad, Windows and Linux.
Use your creative energy to focus on the content; let Final Draft take care of the style. Final Draft is the number-one selling word processor specifically designed for writing movie scripts, television episodics and stage plays.
United States
Based on the Firefox engine, supports standards, visual storyboarding, production scheduling, publication & international languages MUI support. Free tutorials, videos & wiki are available from the site. There is a very helpful community too.
Canada
With Highland, crafting a perfectly-formatted screenplay is as simple as writing an email. Just type. Highland will make it look good.
United States
WriterSolo is a free version of WriterDuet professional scriptwriting software that is not synced to any servers.
United States
Distraction-free screenwriting software featuring real-time collaboration, automated versioning, data backup, comprehensive import and export options including Final Draft, PDF, Word, and Fountain formats, and tools for outlining, structure, and revision management.
United States
