Open Journal Systems

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Open Journal Systems
Developer(s) Public Knowledge Project
Stable release 2.4.6 / 17 March 2015 (2015-03-17)
Preview release 3.0.b1 / 13 August 2015 (2015-08-13)
Platform PHP
Available in English, 31 more
Type Open access journal
License GNU General Public License

Open Journal Systems (OJS) is an open-source software for the management of peer-reviewed academic journals, created by the Public Knowledge Project, released under the GNU General Public License.


OJS was designed to facilitate the development of open access, peer-reviewed publishing, providing the technical infrastructure not only for the online presentation of journal articles, but also an entire editorial management workflow, including article submission, multiple rounds of peer-review, and indexing. OJS relies upon individuals fulfilling different roles, such as the Journal manager, editor, reviewer, author, reader, etc. It has a module that supports subscription journals.[1][2]

The software has a 'plugin' architecture, similar to other community-based projects such as WordPress, allowing new features to be easily integrated without the need to change the entire core code base. Some of the plugins contributed to OJS include tools to facilitate indexing in Google Scholar and PubMed Central, a feed plugin providing RSS/Atom web syndication feeds, a COUNTER plugin,[3] allowing COUNTER statistics and reporting, and more. Open Journal Systems is also LOCKSS-compliant, helping to ensure permanent archiving for ongoing access to the content of the journal.

To improve reader's engagement, PKP has developed a series of Reading Tools,[4] which provide access to related studies, media stories, government policies, etc. in open access databases.


Originally released in 2001, OJS is currently in version 2.4.5. OJS is written in PHP, uses either a MySQL or PostgreSQL database, and can be hosted on a Unix-like or Windows web server.

OJS has been translated into many languages. As of Version 2.3, there are 16 languages with complete translations (Bulgarian, Czech, Danish, Dutch, English, French, German, Greek, Indonesian, Italian, Japanese, Persian, Portuguese, Spanish, Turkish, Ukrainian), with many additional languages (including Arabic, Chinese, Hindi and Vietnamese) in development. All translations are created and maintained by the user community.[5]


A user community has developed around the software, with active participants, and enhancements being contributed to the project from the Brazilian Institute for Information in Science and Technology (IBICT),[6] the Journal of Medical Internet Research, and others. A growing body of publications and documentation[7] is available on the project web site.

As of mid-2015, OJS was being used by at least "8,000 journals worldwide". . A map showing the location of these journals is also available on "PKP's website". 

The Public Knowledge Project is also collaborating with the International Network for the Availability of Scientific Publications (INASP) to develop scholarly research portals in Africa,[8] Bangladesh,[9] Nepal,[10] and Vietnam.[11]

In Venezuela, at least 24 independent organizations, public and private universities publish about 200 journals using this platform.

OJS, as well as the Erudit publishing system,[12] is being used in the Synergies project,[13] creating a scholarly portal for Canadian social sciences and humanities research. OJS is also being used for research portals in Brazil,[14] Spain, Italy [15] and Greece.[16]

See also[edit]


  1. ^ "Subscriptions". Open Journal Systems Help. Retrieved 25 February 2013. 
  2. ^ "Open Journal Systems". Public Knowledge Project. Retrieved 25 February 2013. 
  3. ^ "COUNTER (Counting Online Usage of Networked Electronic Resources". Retrieved 5 March 2013. 
  4. ^ Reading Tools
  5. ^ "OJS Languages". Public Knowledge Project. Retrieved 21 August 2013. 
  6. ^ Brazilian Institute for Information in Science and Technology (IBICT)
  7. ^ publications and documentation
  8. ^ Africa
  9. ^ Bangladesh
  10. ^ Nepal
  11. ^ Vietnam
  12. ^ "Érudit". Retrieved 2013-08-10. 
  13. ^
  14. ^ Brazil
  15. ^ "LEO". Retrieved 2013-08-10. 
  16. ^ "EKT ePublishing". Retrieved 2014-03-31. 

Further reading[edit]

External links[edit]