I found this good post today. Although without confirmation whether these blog generator services are paying or free service, I think for an info, it is good to re-post it.

If you are not satisfied with ready-made blog and website templates and want to build your own design, having a bare-bone structure might make it easier. Mashable had created a list of top ten tools to help us create that basic structure to kick-start our creativity. Check out the list here;
Top 10 Template Generators for Blogs and Websites

1. CSSEZ;
   An online template generator for Wordpress and Movable Type blogs.


2. Dotemplate
   It provides 12 free templates that we can choose from. Else, we can choose one and go on to customizing our selected template by changing the color, font, text, position of text, etc.


3. Drupal Theme Generator
   A theme generator for Drupal platform that based on a MS Excel. It can use to create PHPtemplate and Xtemplate themes for our Drupal sites. Else, There are also nine themes that we will get when download the tool.


4. Eris’ Template Generator
   Provides 11 skins for blog with three column options for each skin. It supports Diaryland, Diary-x, Movabletype, old Blogger, Wordpress, B2, and a free HTML site templates.
   


5. Firdamatic
   An online template generator for old Blogger and Movable Type blogs. We can select from the two column or three column options. Simply enter the information on the relevant boxes on the online form and click generate template. We can add our site name, title image, and choose the font and font color as well.


6. HTML PHP CSS Website Template Generator
   An online tool to create a PHP site template, along with its CSS and HTML files. We can then generate the scripts, which we can copy and save for our use.


7. PsycHo
   An open-source online template generator for the old Blogger, PersianBlog, and BlogFa platforms. Preview for template and get the code in raw html is suported. The good part of PsycHo is that if Internet connection breaks in between, we can still work on and complete designing our template. This is a good tool but needs to support more blog platforms like the new Blogger and Wordpress.


8. Templatr
   Provides more than 20 layouts, and formatting options for various page elements including pages, header, footer, titles, margin, padding, border, and more for your Wordpress blog. It also provides you an upload tool with which you can upload your site graphics. You can download the template on your system once you are complete.


9. Weebly
   is a neat site template generator with more than 15 pre-built designs. You can choose one of these designs and customize them by adding various elements like ads, feed icons, maps, contact form, define the text and picture layouts, columns, add Google and YouTube videos, etc. Once you are through, you can publish the site on your custom domain. Quite handy for all those who wish to make a quick personal site.


10. Wordpress Theme Generator
    is a cool online tool that will enable you to create your own custom made Wordpress themes without the need to know much html and css languages. We can preview our creation and download it in a zip file.