Slugline is a minimal distraction-free screenwriting app for Mac OS X. The concept behind Slugline is to keep the app simple so screenwriters can focus on the writing. It natively uses Fountain, the plain-text markup language, to automatically format a screenplay to Hollywood screenplay standards.It supports integrated outlining, notes, and omitted text, both the Courier and Courier Prime fonts, and also includes structure templates such as the beat sheet from Blake Snyder's Save the Cat!.