Materials created by PKP, including all software, documentation, and educational resources are the copyright of the SFU Library (Canada), and are made available under a GPL or Creative Commons CC-BY license, allowing you to use and re-purpose for your own needs, including translation. Please see source software code and original materials for details.

The Public Knowledge Project has used the following names since 2000 and asserts trademark over them:

  1. Public Knowledge Project (PKP)
  2. Public Knowledge Project | Publishing Services (PKP|PS)
  3. PKP School
  4. Open Journal Systems (OJS)
  5. Open Monograph Press (OMP)
  6. Open Conference Systems (OCS)
  7. Open Harvester Systems (OHS)