Viper is described as '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!'. There are more than 10 alternatives to Viper for a variety of platforms, including Online / Web-based, Windows, Google Chrome, Google Drive - Docs and SaaS. The best alternative is plagramme, which is free. Other great apps like Viper are Unicheck (Paid), iThenticate (Paid), PlagiarismSearch (Paid) and Oxsic - Oxford plagiarism checker (Paid).
- 22 alternatives
- 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 citations. View 24 alternatives to plagramme
- Freemium • Proprietary
- AI driven professional plagiarism checker for bloggers, teams, small organizations and individual uses. View 22 alternatives to Oxsic - Oxford plagiarism checker
- Paid • Proprietary