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Best Open-Source Plagiarism Checker Software

Detect copied content in documents.

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Prepostseo

Prepostseo

Empowering 150+ Free Online Tools

SEO ToolsPaid (Subscription)Web
Detector.io

Detector.io

Five Results in One Dashboard - Detect AI before submitting your work.

AI Writing & ContentPaid (Subscription)Web
AI Detect

AI Detect

Detect AI anywhere with the most powerful free AI detector and humanizer.

AI Writing & ContentWeb · Online
Isgen AI Detector

Isgen AI Detector

The most accurate AI detector for ChatGPT and more, supporting over 80 languages.

AI Writing & ContentFreemiumOnline · Web App

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