If you're looking for a writing tool that can help you keep a consistent tone and voice, Strut is worth a look. The tool marries notes, documents and projects into a collaborative workspace boosted by AI. The service has a desktop app for working offline, a writing inbox for capturing notes, and an AI collaborator for generating ideas and drafting text. Strut also has voice and tone adoption, which can help you keep your voice consistent across your writing.
Another good option is Writetone, an AI writing assistant with a variety of tools to help you write and maintain a consistent tone. It includes tools like paraphrasing, grammar checking and text-to-voice conversion. Writetone also has a Paraphraser for rewriting sentences and a Co-Writer for brainstorming and editing. It's available as a Chrome extension and through MS Word integration, so it can be used in a variety of writing situations.
If you're looking for a more specialized language tool, check out LanguageTool. This AI-powered language checker and paraphrasing tool works in more than 30 languages and dialects. It has features like grammar checking, tone suggestions and paraphrasing options, and it's available as plugins for a variety of writing tools and as standalone apps for macOS, Windows and iOS. LanguageTool is geared for professional and academic writers who have to produce well-crafted and engaging writing in multiple languages.