BootBB theme for MyBB 1.8 is a fully featured light and responsive theme with lots of features. This theme uses Bootstrap 3 framework, Font-Awesome Icons and some jQuery plugins. Some of the features are listed below:

Responsive Layout/ Compatible for Mobile Devices
Completely Tableless
10 Color Schemes
Based on Bootstrap Framework, Fontawesome icons
Use of Colorful Bootstrap Buttons, Alert Messages and jQuery Tooltips
3 Column Footer
Logo PSD Included
Boardstats with Countup jQuery plugin
Easy Customization