Wembley is a free grid WordPress theme that is best suited for blog or portfolio. It is based on bootstrap version 3, so it has flawless responsive layout and all of the best features, related to this framework. If you are good at coding, you can easily extend this theme to your benefit.
This theme requires the Options framework plugin to be installed in order to use the options panel. On the options page, you can upload a custom logo, change text of the welcome message, do some styling adjustments and manage banner ads.