PKP is an extensible PHP framework for creating websites. Requires PHP 7.4 or newer.
These latest versions of the core modules are included in the main download:
| Identifier | Description | Version |
| account | User Accounts | 2025.4.2 |
| cms | Content Management System | 2026.1.5 |
| composer | Interface to Composer | 2019.7.7 |
| config | System Settings | 2026.1.7 |
| contextMenu | Add Context Menus to Webpages | 2025.3.1 |
| database | general database functions | 2026.1.1 |
| datatables | Add Datatables to Webpages | 2025.7.7 |
| emailPhpMailer | Send emails using PHP Mailer | 6.9.3.5 |
| errorHandler | Handle error messages | 2021.1.4 |
| formEdit | Generate HTML Forms | 2025.6.1 |
| htmlEdit | Html Editor | 2025.8.10 |
| input | get input parameters | 2025.3.1 |
| loginEmail | User Authentication - Email Address | 2026.2.1 |
| output | send output to browser or console | 2025.10.10 |
| phpseclib | interface to phpseclib | 2025.3.1 |
| pkpCore | The core PKP framework | 2026.2.1 |
| sqlparser | SQL Parser | 2019.7.7 |
| themeDefault | default theme | 2025.10.10 |
| update | Update PKP modules | 2025.5.1 |
Download the latest core