MySQL, PostgreSQL, SQLite
GNU General Public License version 2
Dotclear is an open source blog publishing application distributed under the GNU GPLv2. Developed originally by Olivier Meunier from 2002, Dotclear has now attracted a solid team of developers. It is relatively popular in French speaking countries, where it is used by several major blogging platforms (Gandi Blogs, Marine nationale, etc.).
Dotclear’s proposed aim is to develop a software that fully respects web standards based on open source solutions, with multilingual interface and publishing capabilities. It is written in PHP.
Notable features include handling many blogs, using Wiki or XHTML syntax for entries, adding pages that are independent from the flow of entries and support for several database types: (MySQL, PostgreSQL, SQLite).
Dotclear is offered as a free blogging system for all hostnames registered with Gandi.net, which guarantees a large number of users in Europe (24,421 as of 2010-02-07).