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Alpenglow

The legendary 'Firefox Alpenglow' theme now available for Thunderbird.

Rated 5 out of 5 stars (1)
5 users
Added June 29, 2021

Luminous Matter

A simple black and white dark theme.

Not yet rated
3 users
Added June 22, 2021

Nord Dark

Inofficial Nord theme for Thunderbird

Not yet rated
38 users
Added May 21, 2021

irasutoya01

Thunderbird 78 以降用に使えるテーマを練習用に作ってみました。
Very simple theme, which uses only public domain illustrations.

Not yet rated
3 users
Added May 12, 2021

Dark theme for Firefox

A dark Firefox theme for your web browser. It's simple and coherent.

Not yet rated
7 users
Added April 27, 2021

Dark + Pink

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

Not yet rated
5 users
Added April 13, 2021

Arc Inspired

A Thunderbird theme inspired by the Arc theme.

Rated 5 out of 5 stars (1)
27 users
Added March 22, 2021

Purple Praline

A purple theme for Thunderbird

Not yet rated
8 users
Added March 20, 2021

Dark Night Arcturus X

Dark Night Arcturus X theme for Thunderbird by Nyquisteroux.
This is a very dark theme, based on grey colors with orange and blue elements.
Becouse using of experimental functions, restart Thunderbird after apply the theme to see all effects.

Rated 5 out of 5 stars (3)
198 users
Added Dec. 5, 2020

Dark Night Arcturus

If You like this theme, please try "Dark Night Arcturus X" theme, which is based on "Dark Night Arcturus" theme, but has more elaborate details and is just nicer, becouse I'm going to end the support for "Dark Night Arcturus" in the near future.

Not yet rated
28 users
Added Dec. 2, 2020

Dracula Theme for Thunderbird

Dracula theme for Thunderbird.

Rated 5 out of 5 stars (1)
236 users
Added Nov. 26, 2020

Ghost Rider

If You like this theme, please try "Dark Night Arcturus X" theme, which is based on "Ghost Rider" theme, but has more elaborate details and is just nicer, becouse I'm going to end the support for "Ghost Rider" in the near future. Thank You very much.

Rated 5 out of 5 stars (1)
24 users
Added Nov. 22, 2020

Dark Night

Dark Night theme for Thunderbird by Nyquisteroux.
This is a very dark theme, based on black and grey colors with blue elements.
If You like this theme, maybe You like also my newer dark theme: Dark Night Arcturus X.

Rated 5 out of 5 stars (1)
174 users
Added Nov. 17, 2020

Panda Fox (for birds!)

My Panda Fox theme, just for Thunderbird instead of Firefox

Not yet rated
18 users
Added Nov. 10, 2020

Breeze (Plasma 5) Arch Linux

Breeze (Plasma 5) + logo of Arch Linux

Not yet rated
10 users
Added Oct. 1, 2020

The Hunting of the Snark 2

Chocolate brown colored theme with a detail from an Illustration by Henry Holiday to Lewis Carroll's "The Hunting of the Snark"

Not yet rated
5 users
Added Sept. 19, 2020

Digital Dreams Online theme

Simple red theme with DDO logo

Not yet rated
5 users
Added Sept. 15, 2020

n(d).white.fresh

A white fresh theme by neuro(drive).pro()

Not yet rated
15 users
Added Sept. 14, 2020

n(d).dark.fresh

A dark fresh theme by neuro(drive).pro()

Rated 5 out of 5 stars (2)
153 users
Added Sept. 14, 2020

BVB Borussia Dortmund 09

Borussia Dortmund update thunderbird 78 - congrats TheM2K

Not yet rated
5 users
Added Sept. 11, 2020