Many Open Source licenses require attribution. Here is a summary of some of the popular ones attribution requirements: https://www.nexb.com/blog/oss_attributi

Many Open Source licenses require attribution. Here is a summary of some of the popular ones attribution requirements: https://www.nexb.com/blog/oss_attribution_obligations.html https://www.nexb.com/blog/oss_attribution_obligations.html As you can see here, plagiarism is not inherent to Open Source, and often times it is barred by the many of the most popular licenses.