Fountain Markup Language File
Writablemarkup
Fountain is a free and open source markup language designed for writing formatted screenplays. It is saved as UTF-8 text, and as such can be viewed and written in a simple text editor, and saved with the extension .txt, but is also compatible with programmes such as Storyist or Trelby. Fountain is the result of the merging of two lauguages; Scrippets by John August and Nima Yousefi, and Screenplay Markdown by Stu Maschwitz.
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From PRONOM, Wikidata. Updated 2026-10-20.