Question: Can you suggest a writing assistant that supports multiple languages and has a built-in plagiarism checker?

First is Copyleaks, which offers a full suite of products including a plagiarism detector that works in more than 100 languages. It also offers a writing assistant, AI generator and a powerful API for integration with Learning Management Systems. Copyleaks is focused on data security and holds certifications in GDPR and SOC, so it's a good option for schools and businesses.

Another option is Turnitin, which is already used in many schools to detect plagiarism and AI-generated material. It offers advanced AI writing detection, originality checks and feedback tools, and it spans a variety of education markets. Turnitin's powerful plagiarism detection is designed to help educators address academic integrity issues.

If you're looking for a more general-purpose writing tool, Grammarly offers AI-powered writing help with features like plagiarism detection, contextual suggestions and integration with many apps. It works on many devices and offers several plans to suit different needs, and it protects user security and data privacy.

Last is QuillBot, which offers a variety of tools including a plagiarism checker, grammar checker and AI detector. Its interface is easy to use, and its feature set is broad enough to be useful to writers with varying skill levels, helping to improve writing from draft to final draft. Premium subscribers get access to features like unlimited paraphrasing and custom summaries.