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.
Browsing All Themes
A MyBB GitHub like theme
A darkness bassed default theme.
Tableless, responsive, multicolor, html5 AIO.
I present to you simple and tidy style. Red and black colours making forum looks pretty and does not blinding users. Installing additional files in RedBlack SeeduDesign is not required, so website will be work fast and stable.
Emre KRMN vBulletin default style theme for mybb 1.8.x
Add a dark color for your Default theme
Default theme but more contrast, mobile friendly, spacing between posts; free of banners etc
Darkness Theme for MyBB 1.8.31. Theme is not responsive.
Responsive, clean and simplified mobile-friendly theme for MyBB.
JAMPS - Black & Green 1.2
JAMPS - Blue Space 1.0
ElwitchTheme is a theme for your mybb forum.
JAMPS - Black & Blue
JAMPS - GamerZone Black Red
dark blue theme with several features and costum portal page
Osmium is a modern, light MyBB theme suitable for any niche.
A very simple black and grey efficient theme and template. Easy on the eyes, useful member block controls. A great theme if you want users to spend lots of time on the forum.