Paraphrasingtool.site - The paraphrasing tool is the best sentence tool available online free for writers, the tool help users to avoid plagiarism and write unique articles in no time.
StoryMill - Developers and publishers of Mac, Win, and iOS productivity, home and office and writing software such as MacGourmet, Paperless and many more. Based in MN.
Lightkey Predictive Typing for Windows - Boost your efficiency by 40% in Office, Gmail, WhatsApp Web
BlankPage - Stay motivated to write, and finish your story
Grammatica - AI powered writing assistant
Manuskript - Open-source tool for writers.