Turnitin is a broad academic integrity platform that uses AI writing detection to spot plagiarism and help students write more original work. It offers tools like Feedback Studio, Gradescope, ExamSoft, Similarity and iThenticate for custom feedback, grading and deep plagiarism detection. That makes it a good option for teachers and researchers who want a lot of help dealing with academic dishonesty.
Another option is Copyleaks, which offers a range of AI-based products including plagiarism detection, AI-generated content detection and a writing assistant. It works in many languages and can be integrated with Learning Management Systems. Copyleaks has data security and regulatory compliance, and it's geared for institutions and companies.
If you want a more integrated writing experience, QuillBot offers a suite of AI-based tools like a paraphraser, grammar checker and plagiarism detector. Its interface is designed to be easy to use, and its feature set is broad enough to include a summarizer and citation generator. It's designed to improve writing quality while saving time, and it's good for academic and professional writing.
If you want a tool with more editing smarts, Trinka is worth a look. It's got a plagiarism checker based on a top-rated algorithm, but it also has a range of editing tools designed to improve clarity, concision and impact. It can be used in MS Word and other browsers, and it's designed specifically for academic writing.