Everything a web designer needs for free:
Designing and managing a website need not be an expensive affair.
There are several useful free and open source applications available for download that allow you to do everything from designing the graphics for your site to editing blog posts.
This list is not comprehensive, but rather provides the categories for each step of website management, as well as open source examples of tools you can use.
Special thanks to 34sp.com dedicated web hosting for their insight.