Counter is a very simple theme for Bootstrap. There is a full-screen countdown to be used for a websites coming soon page or any events schedule. You can set the date from the Javascript code coming with the theme. It is really simple and nice looking.
Pratt is a Bootstrap app landing theme. It shows all information on one page including the contact form. Easy to modify and use this theme. Usebootstrap.com uses this Bootstrap theme.
A great Bootstrap theme which comes with smooth scroll, portfolio and beautiful arrows navigation. This cool Bootstrap theme is good for web design agencies.