Viper is described as 'The plagiarism checker of choice! It scans over 10 billion resources, has an easy-to-use interface and highlights areas of plagiarism - totally free!' and is a plagiarism checker in the education & reference category. There are more than 25 alternatives to Viper for a variety of platforms, including Web-based, Windows, Google Chrome, SaaS and Wordpress apps. The best Viper alternative is Curasynth, which is free. Other great apps like Viper are Originality.AI, Turnitin, iThenticate and PlagiarismSearch.
Crossplag™ is the most holistic tool for plagiarism checking dedicated to democratizing plagiarism checking while enabling users to have full ownership and control over their data.
PlagiarismCheck.org helps educators and students all around the world to support academic honesty.
Ukraine
Plagiarisma.Net is a free online plagiarism checker and duplicate content finder. Check your txt,html,rtf,doc,odt,docx,pdf files.
United Kingdom
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 students.
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 single sentences in search engines:
Germany
EU
Oxford similarity checker (OxSiC) is a professional plagiarism checker designed for bloggers, teams and individuals. This tool has very attractive pricing model charging only 1c per 100 words checked, what makes it the best priced plagiarism checking tool on the market.
Easy to use! No Downloads! Excellent Plagiarism Detecting Technology. Noplag - Check Your Paper Online and Detect Plagiarism.
PlagControl.com provides a reliable plagiarism detection for students that helps you avoid any type of plagiarism in your papers. Experience the ultimate detection!
AntiPlagiarist checks multiple documents for plagiarism. PDF, Plain text, HTML files, and numerous word-processing formats are supported, including Microsoft Word and Word Perfect.
HelioBLAST text similarity engine finds text records that are similar to the submitted query. HelioBLAST uses our super-fast search engine.
PlagiCheck is a free Windows application capable of performing extensive searches on the Internet and various databases to check the quality of text by analyzing the percentage of plagiarism, paraphrasing, and similar content.
Canada
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