bibisco
Open Source
bibisco is a novel writing software that helps writers to develop characters,design novel structure,organize chapters and scenes,analyze the novel.
Manuskript
Open Source
Manuskript is an open-source tool for writers.
Trelby
Open Source
Trelby is a free and open source screenwriting program which focuses on providing a simple, uncluttered interface to writing screenplays.
SuperNotecard
Commercial
SuperNotecard helps writers of fiction and nonfiction with its tools.
Compare Celtx with alternatives
Compare SuperNotecard and Celtx and decide which is most suitable for you.