Question: I'm looking for a proofreading tool that can help me refine my messages for better clarity and impact.

If you want a full-featured proofreader, LanguageTool is a good option. This AI-powered language checker works with more than 30 languages and has a range of advanced features like grammar checking, tone adjustment, paraphrasing and integration with different writing tools. It's available in free and premium versions, so it's good for individuals and teams.

Another powerful option is Wordvice AI, which offers a variety of revision tools including an AI Proofreader, AI Paraphraser and AI Translator. The tool is geared for researchers, students, content writers and businesses that need to produce high-quality content fast. It offers a variety of subscription plans, as well as add-ons like expert proofreading and citation tools.

GrammarBot is another option. It can check grammar, rewrite messages and transform writing style to make your writing clearer and more persuasive. It works with multiple languages, so it's good for personal and professional use, whether you need to fix grammar mistakes or rephrase your writing in a different tone.

For a general-purpose writing assistant, Writetone offers paraphrasing, grammar checking, text-to-voice conversion and citation generation. With features like HumanGPT to make AI writing sound more human and tools for brainstorming and summarization, Writetone can be useful for a variety of writing tasks. It's available as a Chrome extension and through MS Word integration.