Giving your forum an entirely new look and feel is easy — just download one of these great themes! There are even themes for the admin control panel.
Projects in Light

Roundo gives a new modern look to MyBB. This is a modern, flat, minimalist, responsive theme that can be used for free on your forum.

Duende V3 - Fully responsive, tons of improvements

Fully responsive, modern & multicolor theme for MyBB 1.8 (Documentation included)

Elegant, General dark and light theme for mybb

A basic Responsive MyBB theme using Bootstrap 3

The responsive version of MyBB's default theme with mobile friendly and with new look .

Fully-responsive, elegant, Bootstrap-driven MyBB theme

Inspired by the MyBB Community Forums theme.

Responsive Modern Mybb Themes

A sleek and modern SCEditor theme

Responsive Modern Mybb Themes 1.8.29

Default theme but more contrast, mobile friendly, spacing between posts; free of banners etc

MyBB Default 1.8 theme responsive (css grid)

Lightly designed theme. Simple and fast.

Focus is a clean and Elegant Flat MyBB theme which can be used by all sort of community users, one of the cool features of this theme is shrinking header on scroll. Focus MyBB Theme has been tested thoroughly on all browsers.

A flat and simple responsive premium theme for free now!

Flatty - A nice & simplistic flat theme for MyBB.

Classic Blue is remake of a old theme TheTechGame.com used back in 2011. This theme is a nice white and blue theme for almost any type of forum.

eXe is a mobile compatible and desktop mybb theme.Applies to Mybb versions 1.8.X