Scrivener: content and generation platform that offers several organization tools for your library. Contextualize your documents, add annotations, and seamlessly navigate through research documents without leaving the application. 30-day free trial period available. PAID.
Celtx: scriptwriting software that allows to you seamlessly work within a script format. With a paid subscription, you can collaborate with peers, integrate storyboards, coordinate production details and schedules. Available for desktop and mobile devices. Paid/Premium. (Note: Celtx’s classic free desktop software with multiple integration capabilities has been discontinued in favor of the current cross-platform, “online studio” model).
WriterDuet: screenwriting software with cloud-based collaborative features, outline/corkboard viewing mode, and support for several file types. Free trial for your first three screenplays; subscription plans and one-time-purchase available. Free/Paid.
