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Litero is a source-based AI writing partner that helps people research, draft, cite, summarize, and polish text in one workflow. It is aimed at writers who want citation support, originality checks, and guided drafting without giving up control of the final result.
Winston AI is a web-based AI content detector and plagiarism checker with a separate API for product and research workflows. It supports text scans, file upload, URL import, shareable reports, and sentence-level results.
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.
茅茅虫AI论文写作助手是一款面向论文和学术写作的网页工具，提供选题、提纲、正文生成、查重、AIGC检测和降重等流程。它适合需要完成毕业论文、开题报告、答辩材料和常见学术文档的学生与写作者。
Proofig AI is an image integrity and image plagiarism checker for scientific manuscripts. It helps researchers, publishers, and institutions detect manipulation, duplication, AI-generated images, and reused figures before submission or publication.
GPTZero is an AI content detector and writing analysis tool that identifies likely AI-generated text and adds authenticity checks for documents, Google Docs, and classroom workflows. It also offers writing reports, plagiarism support, and API/integration options for teams and developers.
Copyleaks is an AI content detection platform for checking originality, AI-generated text, plagiarism, and synthetic media across text, images, and video. It supports business, education, and individual workflows through APIs, browser tools, Google Docs, and LMS integrations.
Winston AI is an AI content detector and plagiarism checker for reviewing text and images for likely machine-generated or duplicated content. It supports educators, institutions, publishers, and other users who need to check originality, document findings, and share results.
千笔写作 is a Chinese AI academic writing platform for thesis and paper workflows. It helps users generate outlines, drafts, references, and related submission materials such as PPTs and proposals.
學術猹是由网易有道推出的論文一站式處理平台，提供查重、查 AI、降重與降 AI 服務，支援常見文檔格式，並有每日免費檢測額度，適合論文提交前檢測與處理。
Originality.ai is a content integrity platform for AI detection, plagiarism checking, readability, grammar, fact checking, and content quality review. It supports text, file, URL, and site scans, plus Google Docs, WordPress, and team workflows on paid plans.