WordPress

WordPress is a free and open-source content management system based on PHP and MySQL. Features include a plugin architecture and a template system. It is most associated with blogging, but supports other types of web content including more traditional mailing lists and forums, media galleries, and online stores. Wikipedia
Developer(s)WordPress Foundation
LicenseGNU GPLv2+
Stable release4.9.8 / 2018-08-02
Initial release dateMay 27, 2003