User guides, developer documentation and publishing tips for all of the Public Knowledge Project’s software

Open Journal Systems 3

Our flagship software for open access journal publishing, used by more than 10,000 journals worldwide.

Learning OJS 3

A visual, step-by-step guide to managing a journal with Open Journal Systems. View Now



Available in العربية, Suomi, and Español.

Administrator’s Guide

A guide for system administrators of PKP applications.


Developer Documentation

Developer documentation, reference guides and more to help you build themes, write plugins and develop new features for OJS. View Now

Getting Started

An easy-to-follow checklist of all the steps you’ll need to take to launch a successful journal. View Now

Getting Found, Staying Found

Getting Found, Staying Found highlights many aspects of the publishing process that are important for increasing your journal’s “findability” and building a wider audience. Moreover, it will also show you how to ensure reliable and ongoing access to your valuable content. Much of the information in this resource is intended to be generic and could be applied to any journal, using any software platform. View Now

GDPR Guide

This guide provides advice for users of PKP applications on how to approach the EU General Data Protection Regulation (GDPR). View Now

PKP School

PKP School is an online, open, self-paced collection of courses designed to help improve the quality of scholarly publishing around the world.

Crossref and DOIs

Learn how you can take advantage of PKP’s partnership with Crossref to help publishers and journals take advantage of Crossref’s research indexing service. View Now

Looking for OJS 2?

Find all of our documentation for earlier versions of Open Journal Systems. View Now

Open Journal Systems 2

Help guides for older versions of our journal management software. We recommend you upgrade to OJS 3.

Learning OJS 2.x

A visual, step-by-step guide to managing a journal with Open Journal Systems 2.x. View Now

PKP School

This series of video courses is for journal editors who need to learn how to perform all of the basic editorial tasks in OJS 2 quickly. View Now

Crossref and DOIs

Learn how you can take advantage of PKP’s partnership with Crossref to help publishers and journals take advantage of Crossref’s research indexing service. View Now

Importing and Exporting Data (OJS 2)

An OJS 2 guide on how to import and export user information, published article data, and more. View Now

Using Paypal (OJS 2)

How to configure OJS 2 to use Paypal. View Now


Available in العربية.

OJS 2.x Technical Reference

An extensive document regarding versions 2.x of the OJS platform. View Now

Open Monograph Press

Usage guides and documentation for our monograph publishing software.

OMP 1.0 Userguide

A step-by-step guide to managing a press with the legacy version of Open Monograph Press. View now

Learning OMP 3 is currently in development. Coming soon.

Administrator’s Guide

A guide for system administrators of PKP applications.


Developer Documentation

Developer documentation, reference guides and more to help you build themes, write plugins and develop new features for OMP. View Now

GDPR Guide

This guide provides advice for users of PKP applications on how to approach the EU General Data Protection Regulation (GDPR). View Now

Open Conference Systems

Usage guides and documentation for our scholarly conference software.

Learn More About OCS

Open Conference Systems (OCS) is a free Web publishing tool that will create a complete Web presence for your scholarly conference. Learn more about OCS.

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