ZetaProse is described as 'A free online editing tool, designed to help you revise your novel or short fiction manuscript using Natural Language Processing techniques and data visualisation. Work on your style, word usage, pacing and structure' and is an website in the News & Books category. There are more than 10 alternatives to ZetaProse, not only websites but also apps for a variety of platforms, including Windows, Mac, Firefox and Google Chrome. The best alternative is Grammarly, which is free. Other great sites and apps similar to ZetaProse are Hemingway Editor (Paid), ProWritingAid (Freemium), Slick Write (Free) and Editsaurus (Free, Open Source).
Whatever your level of writing, ProWritingAid will help you achieve new heights. Exceptional writing depends on much more than just correct grammar. You need an editing tool that also highlights style issues and compares your writing to the best writers in your genre.