Sure, here are a few free AI-powered essay writing tools that you might find useful:
1. **Grammarly**: While primarily known for its grammar and spell-checking capabilities, Grammarly also offers a writing assistant that can help improve the clarity, tone, and style of your essays.
2. **Hemingway Editor**: This tool analyzes your writing for readability and highlights complex sentences, adverbs, and passive voice, helping you to create more concise and clear essays.
3. **Scribens**: Scribens is an AI-powered proofreading tool that can identify grammatical errors, spelling mistakes, and even suggest improvements to your sentence structure and word choice.
4. **QuillBot**: QuillBot is an AI-powered paraphrasing tool that can help you rephrase sentences, paragraphs, or entire essays while maintaining the original meaning.
5. **ProWritingAid**: This tool provides a comprehensive analysis of your writing, checking for grammar, style, readability, and more. It offers suggestions for improvement in various aspects of your essay.
6. **Calmly Writer**: While not strictly an AI tool, Calmly Writer provides a clean and distraction-free interface that can help you focus on your writing. It includes basic formatting and word processing features.
7. **Zoho Writer**: Zoho Writer includes AI-based writing assistance that offers grammar and style suggestions as you write, helping you improve the quality of your essays.
Remember that while these tools can be helpful, it's always a good idea to manually review and revise your essays to ensure they meet your specific requirements and convey your intended message accurately.