If you want a full-featured AI-powered writing assistant, Edde is a good option. This suite of tools is geared for students, academics and researchers, with a title and outline generator, an AI writing assistant for suggestions and grammar checking as you type, and a citation manager. With access to scholarly articles, subject guides and a question answerer, Edde can help you write and research more efficiently.
Another powerful option is Jenni. This AI-powered academic writing assistant lets you control the writing process while using tools like text editing, citation management and AI-powered autocomplete. It can handle multiple citation styles, and you can paraphrase, rewrite and import/export in bulk, so it's good for essays, literature reviews and research papers.
If you want an AI that's geared specifically for research paper writing, Doclime is worth a look. It automates tasks like finding relevant academic papers, extracting facts and generating research ideas. It also has an AI writing assistant for autocomplete, paraphrasing and outlining, which can save you hours by automating the entire research paper writing process.