Kafkai is perhaps the most powerful tool for generating articles from scratch. It can write long articles, handle multiple languages and export in Markdown, HTML and plain text. One-click generation, keyword prompts, SEO optimization and automatic image insertion make it a good choice for individuals and businesses that need lots of multilingual content.
Another good choice is ContentOwl.ai, which is geared for blog posts and copywriting and that optimizes for search engine optimization. It can export in HTML and Markdown formats, too, and suggests topics and images to go along with them. It's good for bloggers and businesses that want to boost their content creation and online presence.
For technical writers, MD Editor is an AI-powered markdown editor that can help you write articles. It can export in Markdown, HTML, PDF and DocX. It's got features like AI writing assistance, code syntax highlighting and article organization to help you write, organize and publish articles.