Open Journal Systems

Open Journal Systems (OJS) is open source software developed by the Public Knowledge Project to manage scholarly journals. Learn More

This project is tested with BrowserStack.

Usage

Read one of these guides to get started using OJS:

• Read the Admin Guide to learn how to install and configure the application from an official release package. Use this guide to deploy to production.
• Read the Getting Started guide to learn how to install the application from this source repository. Use this guide for local development.

Visit our Documentation Hub for user guides, tutorials, and technical documentation.

Requirements

<details> <summary>PHP 8.2 or later</summary>

The following list of platform requirements was generated by the Composer check-platform-reqs tool. The version numbers shown are examples and should not be interpreted as minimum requirements.

$ composer -d lib/pkp check-platform-reqs
Checking platform requirements for packages in the vendor dir
composer-plugin-api  2.6.0      success                                       
composer-runtime-api 2.2.2      success                                       
ext-bcmath           8.2.28     success                                       
ext-ctype            *          success provided by symfony/polyfill-ctype    
ext-curl             8.2.28     success                                       
ext-dom              20031129   success                                       
ext-fileinfo         8.2.28     success                                       
ext-filter           8.2.28     success                                       
ext-ftp              8.2.28     success                                       
ext-gd               8.2.28     success                                       
ext-hash             8.2.28     success                                       
ext-intl             8.2.28     success                                       
ext-json             8.2.28     success                                       
ext-libxml           8.2.28     success                                       
ext-mbstring         *          success provided by symfony/polyfill-mbstring 
ext-openssl          8.2.28     success                                       
ext-pcre             8.2.28     success                                       
ext-phar             8.2.28     success                                       
ext-session          8.2.28     success                                       
ext-simplexml        8.2.28     success                                       
ext-spl              8.2.28     success                                       
ext-tokenizer        8.2.28     success                                       
ext-xml              8.2.28     success                                       
ext-xmlwriter        8.2.28     success                                       
ext-zip              1.21.1     success                                       
ext-zlib             8.2.28     success                                       
lib-pcre             10.42      success                                       
php                  8.2.28     success

(Note that some PHP environments have different php.ini configuration files for web-based and command line invocation. In that case, running the Composer platform check from the command line may not reflect the PHP configuration that is used for web-based invocation.)

</details>

MySQL 5.7.22+, MariaDB 4.1+ or PostgreSQL 9.5+

Linux, or one of the following: BSD, Solaris, Mac OS X, Windows

Bugs / Feature Requests

⚠️ If you have found a security risk or vulnerability, please read our security policy.

All issues should be filed at the pkp/pkp-lib repository. Feature requests can be made at our Community Forum. Learn more about how to report a problem.

Community Code of Conduct

This repository is a PKP community space. All activities here are governed by PKP's Code of Conduct. Please review the Code and help us create a welcoming environment for all participants.

Contributions

Read the Contributor's Guide to learn how to make a pull request. This document describes our code formatting guidelines as well as information about how we organize stable branches and submodules.

License

This software is released under the GNU General Public License. See the file docs/COPYING included with this distribution for the terms of this license.

Third parties are welcome to modify and redistribute OJS in entirety or parts according to the terms of this license. PKP also welcomes patches for improvements or bug fixes to the software.