Viper

Viper can scan a large number of academic articles and other online websites, and then compare it with the text you need to check to give 100% accurate plagiarism results.

In particular, unlike Turnitin, this software can be used completely free of charge and can be installed with other education management software to check the current plagiarism status of students.

Viper allows you to select the type of document content to be scanned such as education, finance, cover letter, etc. to support quick scanning. At the same time, Viper also automatically links to the nearest local server to help improve the speed of fast and accurate plagiarism scanning for users.

Viper provides users with the most complete plagiarism results, including word count and percentage of plagiarism throughout the text.

Pros:

• All free.
• Almost 100% accurate.
• Check the article by comparing with 10 billion sources.
• Side-by-side comparison of the original text and the plagiarized text.
• Scan and compare with files on your computer, on the Internet.
• Intuitive and easy to use interface.
• The software automatically generates a report after the scan is complete.
• Select the area and text content to limit the search process.

Cons:

• Viper is geared towards educational uses and not for bloggers or online publishers.

Link: https://www.scanmyessay.com/