phpWarmSky is a free and Open Source PHP CMS projects that provides a complete website content management system which includes over 40 modules and exactly 10 themes. phpWarmSky's growing amount of modules each allow for easy site customization.

phpWarmSky is programmed using the PHP scripting language, utilizes PEAR libraries and requires a MySQL database. phpWarmSky is a customizable and has modules. Each module can be installed, updated, or modified by the phpWarmSky administrator. phpWarmSky user can also select themes and HTML templates.

Features of phpWarmSky:
- Easy administration interface.
- Option of a WYSIWYG editor.
- About 5 WYSIWYG editors to choose from.
- Built in search.
- Flexible customization.
- Roles and permissions.
- Versioning (Currently limited).
- Multiple website support.
- Multilingual support.
- Ease of development and integration of new themes.
- Editing themes directly from admin.
- Keywords and description for all pages.
- Ability to change themes.
- Powerful module API.
- A powerful bulletin board.
- 10 themes.
- 40 plus modules.
- Easy to install modules or update them.
- Minimum requirements for web hosting.