| Title | CMS Category |
|---|---|
| phpBB | Forum Software |
| phpCollab | Groupware |
| phpFox | Social Network Solutions |
| PHPVibe | Specialized CMS |
| Pico | Flat CMS |
| Pipedrive | CRM Solutions |
| Piranha CMS | Traditional CMS Headless CMS |
| Piwigo | Gallery Software |
| Pixie | Traditional CMS |
| Pixpa | Specialized CMS Blog Software |
| Plogger | Gallery Software |
| Plone | Traditional CMS |
| PmWiki | Wiki Software |
| PowerSchool | E-Learning |
| Precurio | Enterprise Solutions |
| PrestaShop | Ecommerce |
| Prismic | Headless CMS |
| ProcessWire | Traditional CMS |
| Property Matrix | Specialized CMS |
| Publii | Static Site Generators |