Storybook is a free (open source) novel-writing tool for creative writers, novelists and authors which will help you to keep an overview of multiple plot-lines while writing books, novels or other written works.
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LyX is a document processor that encourages an approach to writing based on the structure of your documents (WYSIWYM) and not simply their appearance (WYSIWYG).
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AbiWord is a free word processing program similar to Microsoft® Word.
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