Dark Imagine Theme

Simple black theme by Imagine.

Reece's Mixed Dark

Dark theme with blue accents.

Polish blue 1.0

Motyw by QLIN

SimpleFox-Like

Minimal.

Orangine

Grey and orange theme

Green over solid black

A simple green over black solid theme. Based on Luminous Matter theme.

Arc Theme for Thunderbird

Another Thunderbird theme inspired by the Arc theme.

Synthwave_Gradient

Synthwave Gradient for Thunderbird Email

F R E S H

A FRESH way to browse the web

Polski błękit

Motyw by QLIN

Dark + Pink

I made it with Firefox color and just added stuff to the manifest to make it valid.

SpaceShaman Dark

Step into the dark side of the force and discover the secrets of the cosmos without the risk of eye damage!

Black Persona

Neat Dark Theme - Pink

A Pink Neat Dark Theme for Thunderbird