Copyleaks is an AI content authenticity platform that checks text for AI generation and plagiarism, with additional detection for images, video, and code. It serves individuals, businesses, and educational institutions through self-serve plans and sales-led enterprise and education offerings.
GPTZero is an AI content detection and writing verification tool for educators, teams, and developers. It scans text for AI-generated content, mixed authorship, and citation problems, and it offers classroom, workflow, and API integrations.
Grammarly is an AI writing assistant for individuals, teams, and organizations that helps improve grammar, clarity, tone, and structure. It also offers text generation and originality review across apps, websites, email, docs, and browsers.
Quillbot is an AI writing assistant for paraphrasing, grammar checking, summarizing, citations, originality checks, and content creation. It offers browser extensions and apps for writing across web, desktop, mobile, and Word.
Scribbr is an academic writing support platform for students and researchers. It offers proofreading and editing, plagiarism checking, citation generation, an AI detector, and a knowledge base with writing guidance.
Turnitin is an education and research integrity platform that helps institutions check originality, support grading and feedback, and deliver secure assessments. It is used across academic, certification, and research workflows.
Wordvice AI is a web-based AI writing assistant and text editor for proofreading, paraphrasing, translation, summarization, plagiarism checking, and AI detection. It also includes a document editor, ChatPDF, and team plan options.
ZeroGPT is a web-based AI content detector and writing toolkit for identifying likely AI-generated text, reviewing highlighted passages, and supporting editing workflows. It also offers related tools such as a plagiarism checker, paraphraser, humanizer, summarizer, translator, and API access.
Quetext is a plagiarism checker and AI detector for checking original writing, citation support, and revision workflows. It offers a free tier, paid plans, a Chrome Extension, and a RESTful API for teams and developers.
