A self-employed person who creates websites using WordPress for different companies for any particular assignments is commonly called as Freelance WordPress Developer or freelance website designer.

WordPress is an online open source website creation tool. It is a free content management system (CMS) software which is based on PHP and MYSQL. It has free hosting and support.

Its main features include a plugin architecture and a template system which powers a flexible and simple interface thereby reducing cost and time of development.

It is mainly associated with blogging. It also supports other types of web content including traditional mailing lists & forums, media galleries, and online stores.