Question: I need a tool that provides instant feedback on my writing, can you recommend one?

If you want a tool that gives you immediate feedback on your writing, PaperRater is a good option. The AI-powered tool checks grammar and spelling but also offers plagiarism detection and writing advice. It returns results in 5-15 seconds, and you can use it for free with basic features or upgrade to a premium version for more.

Another powerful option is Grammarly, which offers personalized advice and text generation to help you write faster and more accurately. It's got features like contextual suggestions, plagiarism detection and integration with many apps and websites. Grammarly offers several plans to match your needs, so you can find a level of service that works for you.

For writers who have to handle multiple languages, LanguageTool offers a broad range of tools, including grammar checking, tone suggestions and paraphrasing. It handles more than 30 languages and offers plugins for many writing tools, so it's a good option for professional and academic writers.

If you're looking for a tool that helps you improve your writing style and structure, Boo.ai could be for you. Using the GPT-3 AI technology, it offers real-time feedback on wording, tone and style. It's designed to be distraction-free and can be used for a variety of writing tasks, with pricing options to match your needs.