Alternatives to Turnitin for all platforms with Free or Open Source License

Platforms

Desktop

Web / Online

Browsers

  • Plagtracker icon

    Plagtracker

    The best FREE plagiarism checker. Check your paper online! The most accurate results, easy and usable report

    Freemium Web / Cloud

    No features added Add a feature
  • PaperRater icon

    PaperRater

    Grammar & Spelling Check; Free Online Proofreading; No Downloads...Allows you to find those pesky mistakes and correct them before your teacher does...

    Freemium Web / Cloud

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  • plagramme icon

    plagramme

    Professional plagiarism checker that reviews over 14 trillion web pages, articles, books, and periodicals to help you detect possible plagiarism in your papers. It finds not only copy paste plagiarism, but paraphrasing, good and bad...

    Freemium Web / Cloud

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  • Viper icon

    Viper

    Viper is the plagiarism checker of choice! It scans over 10 billion resources, has an easy-to-use interface and highlights areas of plagiarism - totally free! Features Check your essay against 10 billion sources Scan...

    Free Windows Web / Cloud

    No features added Add a feature
  • Noplag.com icon

    Noplag.com

    Easy to use! No Downloads! Excellent Plagiarism Detecting Technology. Noplag - Check Your Paper Online and Detect Plagiarism.

    Freemium Web / Cloud

    No features added Add a feature
  • Plagiarisma icon

    Plagiarisma

    Plagiarisma.Net is a free online plagiarism checker and duplicate content finder. Check your txt,html,rtf,doc,odt,docx,pdf files.

    Freemium Windows Web / Cloud Android Blackberry Chrome Firefox

    No features added Add a feature
  • PlagControl icon

    PlagControl

    PlagControl.com provides a reliable plagiarism detection for students that helps you avoid any type of plagiarism in your papers. Experience the ultimate detection!

    Free Personal Web / Cloud

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  • Copyscape icon

    Copyscape

    Copyscape is a free plagiarism checker. The software lets you detect duplicate content and check if your articles are original.

    Freemium Web / Cloud

    No features added Add a feature
  • AntiPlagiarist

    AntiPlagiarist checks multiple documents for plagiarism. PDF, Plain text, HTML files, and numerous word-processing formats are supported, including Microsoft Word and Word Perfect.

    Freemium Windows

    No features added Add a feature
  • HelioBLAST icon

    HelioBLAST

    HelioBLAST text similarity engine finds text records that are similar to the submitted query. HelioBLAST uses our super-fast search engine.

    Free Web / Cloud

    No features added Add a feature