If you're looking for a Shakespeare alternative, Writetone is another good option. It's got a range of AI tools including paraphrasing, grammar checking, text-to-speech conversion and citation generation. It's good for writing emails, blog posts and social media ads, and you can use it as a Chrome extension or through MS Word integration.
Another good option is QuillBot, which offers a range of writing tools including a paraphraser, grammar checker, plagiarism detector and AI writer. It's designed to help you improve your writing from draft to final version, and it can be embedded in other apps and websites. The Premium subscription adds other features that might be useful for more advanced writing.
If you need an all-purpose AI writing assistant, HyperWrite is worth a look. It's got tools like Summarizer, Rewrite Content, Email Responder and Magic Editor that should be useful to students, freelancers and businesspeople. HyperWrite also can help you with research as you write and learn your writing style so it can assist you better.
Last, Rytr is a free AI writing assistant that can help you work more efficiently with tools like AI autocomplete text, grammar checking and an SEO meta title generator. It's got a range of pricing tiers, including a free option, so it should be useful for a lot of writing situations. With its Chrome Extension and API access, Rytr can be embedded in your workflow.