Janeway supports Crosscheck (also called Similarity Check), which is provided by iThenticate. You can sign up for an account via Crossref, allowing you to send submitted manuscripts for originality checking.

The settings are:

• Enable
  Enables display for Crosscheck buttons

• Username
  Your iThenticate service username

• Password
  Your iThenticate service password

More info on Crosscheck/Similarity Check: https://www.crossref.org/services/similarity-check/