One-ClickApplication Hosting

SitePad

Drag-and-drop website builder that publishes static pages

WordPress

Open-source content management system written in PHP

Pubvana

Blogging and small-business CMS, formerly called Open Blog

Serendipity

PHP blogging engine with a plugin system, also called s9y

Dotclear

Open-source web publishing platform for blogs and websites

Textpattern

Flexible PHP content management system for designers

b2evolution

Multi-blog CMS with community and email features, in PHP

HTMLy

Databaseless PHP blogging platform and flat-file CMS

Nibbleblog

Lightweight PHP blog engine using XML files, no database

Nucleus

Flexible blog and CMS software with multi-weblog support

Chyrp

Lightweight PHP blogging engine with Feathers post types

FlatPress

Lightweight flat-file blogging engine in plain PHP

PivotX

Open-source PHP blogging platform with MySQL or flat-file storage

Movable Type

Commercial Perl-based publishing platform for blogs and websites

Leafpub

Open-source PHP blogging platform with inline editing

Joomla

Open-source PHP content management system for websites and web applications

Open Real Estate

PHP script for building real estate agency and property listing websites

Concrete CMS

Open-source PHP CMS with in-context, on-page editing

MODX

Open-source PHP CMS and application framework with plain HTML templates

e107

Open-source PHP and MySQL CMS built on Bootstrap

Drupal Core

Open-source PHP content management platform for simple to complex sites

XOOPS

Modular open-source PHP content management system and web framework

CMS Made Simple

Lightweight open-source PHP CMS for small business websites

PHP-Fusion

Lightweight open-source PHP and MySQL CMS with forum and news modules