Alternatives to Viper for all platforms with any license

Platforms

Show 7 less popular platforms
  • 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
  • Unplag icon

    Unplag

    Unplag is an accurate plagiarism detection engine. Fast as light, Unplag performs real-time check against real-time web index. .

    Commercial Web / Cloud

    No features added Add a feature
  • 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...

    Freemium Web / Cloud

    No features added Add a feature
  • Plagius icon

    Plagius

    The Plagius - Plagiarism Detector is a software that analyzes documents on the Internet searching for occurrences of suspected plagiarism.

    Commercial Windows

    No features added Add a feature
  • SCRiBBR Plagiarism Check icon

    SCRiBBR Plagiarism Check

    This plagiarism check uses the best of both worlds. The plagiarism detection software from Ephorus and the enormous scientific database from Turnitin. Custom-made for...

    Commercial Web / Cloud

    No features added Add a feature
  • Turnitin icon

    Turnitin

    Turnitin is an Internet-based plagiarism-detection service created by iParadigms, LLC. It prevents plagiarism by using a proprietary algorithm to compare submitted...

    Commercial Web / Cloud iPad

    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
  • Urkund icon

    Urkund

    Use URKUND – the most precise plagiarism checker and detector in the world accordning to numerous studies.

    Commercial Web / Cloud

    No features added Add a feature
  • iThenticate icon

    iThenticate

    Learn why leading publishers, editors, researchers and authors use iThenticate plagiarism checker software to verify the originality of written work.

    Commercial Web / Cloud

    No features added Add a feature
  • PlagScan icon

    PlagScan

    The Internet makes plagiarism a bigger problem than ever. Now you can turn the tables on them and find the "forgotten" sources! You no longer have to try...

    Commercial 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
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  • 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

    No features added Add a feature
  • 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...

    Freemium Windows

    No features added Add a feature

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