Movable Type is a weblog publishing system developed by the company Six Apart. It was publicly announced on 3 September 2001, and version 1.0 was publicly released on 8 October 2001. On 12 December 2007, Movable Type was relicensed as free software under the GNU General Public License.

The current version is 5.01.

Features

• Multiple weblogs
• Standalone content pages
• Asset and File Manager
• User and user role management
• Customizable templates
• Tags
• Categories, sub-categories and multiple categories for articles
• TrackBack
• Bookmarklets

The application supports static page generation (in which files for each page are updated whenever the content of the site is changed), dynamic page generation (in which pages are composited from the underlying data as the browser requests them), or a combination of the two techniques.

Movable Type optionally supports LDAP for user and group management and automatic blog provisioning.

Movable Type is written in Perl, and supports storage of the weblog’s content and associated data within MySQL, PostgreSQL, and SQLite (support for Berkeley DB was dropped in version 4, and support for PostgreSQL and SQLite will be dropped in version 5). Dynamic page generation is handled by Smarty.

Movable Type is free software under the GPLv2 license. In addition to the free version, users can purchase support or buy commercial, education, or nonprofit licenses, which come with support contracts and author limits and unlimited blogs. Movable Type Enterprise also supports the Oracle database and Microsoft SQL Server.