Themes allow you to change the look and feel of your Drupal site. You can use themes contributed by others or create your own to share with the community. Contributed themes are not part of any official release and may not have optimized code/functionality for your purposes.
You can also create a sub-theme of an existing theme. A sub-theme inherits a parent theme's resources. Read more about Sub-theme structure and inheritance.
You can also view a full index of themes listing only their titles.
Magrid (Short for "My grid based theme") aims to be a neat, lean and from scratch neutral looking Drupal 7 theme, with intent to keep as much flexibility as possible from the bottom to the top, delivering free choice of css grids, columns, layouts, responsive webdesign (inkl. IE 6-9), vertical rythm, sprites and many on/off configuration options by default.
For support or if you would like to co-maintain feel free to post in the issue queue or join Magrid on
Fossis is a genesis sub theme which resembles like http://data.gov.uk .In order to use this theme genesis base theme should be enabled.
This theme is current in development stage so it will be soon available for download
As the sidebar backgrounds are supplied by a border and not a division, it is difficult to provide background images and borders that completely fill these columns. In three-column use, the border of one sidebar will not extend fully down unless the content column is shortest.
Also, (surprise, surprise) IE6 compatibility is imperfect if you use borders.
0.4: current three column layout, IE6 compatible w/ minor issues.
Impulse is an easily customizable and light weight theme for Drupal 7.x,The main feature is you can edit the basic colors for your website like header,footer,links,sidebar,title and slogan color etc.It has 15 regions so you can customize your website in any form.The highlight of this theme is its navigation it is
Bartik Plus is a sub-theme of Bartik, and it adds Superfish-enabled drop-down menus. Use it if you like Bartik, but need the main menu to offer more than basic tabs. The code is efficient, minimalistic, and can save you hours of searching and fiddling.
A long discussion about Bartik + dropdown menus can be found here.
To use this theme, just enable it and make sure your parent links have "Show as expanded" selected.