Most Popular Extensions

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Thunderbird Suave Featured

Rated 4 out of 5 stars (46)
29,967 users

Two little birds Featured

Rated 5 out of 5 stars (127)
29,024 users

Dark Fox Featured

My dark version of the Firefox logo.

Rated 5 out of 5 stars (610)
20,936 users

Fresh Green Leaves Featured

Rated 5 out of 5 stars (65)
4,966 users

Airmail Featured

Rated 4 out of 5 stars (18)
2,297 users

Windows 7 Basic

windows 7 basic theme

Rated 5 out of 5 stars (3)
1,963 users

Japanese Tattoo Featured

Colors and accent adjusted

Rated 5 out of 5 stars (84)
1,947 users

Dark Night Arcturus X

Quite dark theme, based on shades of grey colors with blue and orange elements.
If you like this, also try my new theme - Dark Shadows XT.

Rated 5 out of 5 stars (27)
1,852 users

Dracula Theme for Thunderbird

Dracula theme for Thunderbird.

Rated 5 out of 5 stars (6)
1,651 users

Dream of Waves

A subtle gradient of colors lighten up your browsing environment and keep you going. If your tired of mundane and drab, this is the persona for you.

Rated 5 out of 5 stars (121)
1,573 users

A N I M A T E D KITTY CAT

Dogs have Owners, Cats have Staff.
~ Unknown Source

TAGS
gallery gray cuddly cute black kitten feline domesticated animal love furry friend pets animated png animated ears & tail walking paw prints footer whiskers

=^..^=
(") (") SaSSyGirL

Rated 5 out of 5 stars (210)
1,377 users

ANIMATED NOVELIST SNOOPY

The way I see it, it doesn't matter what you believe just so you're sincere.
~ Charles M. Schulz

TAGS:
Peanuts Snoopy red doghouse Charlie Brown dog puppy Woodstock blue sky green autumn fall grass typewriter animation png gif summer spring

=^..^=...

Rated 5 out of 5 stars (14)
1,267 users

Gruvbox Dark Thunderbird

Gruvbox dark theme for Thunderbird. Originally written for Firefox. Using https://github.com/morhetz/gruvbox color palette.

Check out this theme for Firefox https://addons.mozilla.org/en-US/firefox/addon/gruvbox-dark-theme/

Rated 5 out of 5 stars (11)
1,263 users

Blur (violet, orange, green) Featured

Blur, violet, orange, green.

Rated 4 out of 5 stars (9)
1,260 users

Nu-grey-theme

A simple grey theme for Thunderbird. A solid colour hex #ccc background which may help reduce eye-strain.

Rated 5 out of 5 stars (4)
1,142 users

Thunderglobe

A Thunderbird version of the popular Fireglobe theme for Firefox.

Rated 5 out of 5 stars (8)
929 users

Brushed Metal - XP

A clean and simple brushed metal theme for Firefox.

Rated 5 out of 5 stars (53)
927 users

Nord Dark

Inofficial Nord theme for Thunderbird

Rated 5 out of 5 stars (2)
848 users

Internet Explorer Blue Theme

Tired of Firefox's purple color that does not match the rest of Windows Vista/7? Try this Persona.

Rated 3 out of 5 stars (1)
841 users