Mail Delivery 4K (2018)

Mail Delivery 4K (2018) theme for Thunderbird 100+ and 4K monitors.

Mail Delivery 4K (2023)

Mail Delivery 4K (2023) theme for Thunderbird 100+ and 4K monitors.

Dark Space Thème 9MKR

Dark Space Thème 9MKR est un thème de couleur sombre avec une image de l'espace.

Goupilmtos-2024

thèmes Goupilmt OS 2024 for thunderbird.

Arc Theme for Thunderbird

Another Thunderbird theme inspired by the Arc theme.

3DTriangles

A Mozilla Thunderbird theme with 3D Objets and transparent design

Dark Shadows XT

Quite dark theme, based on shades of grey colors, with blue and green accents.

Endeavour_Purple

My Theme

Modern Theme

Seemless experience for Firefox & Thunderbird!

The Modern Theme aims for a lightweighted and eye-friendly design. Based on Dark Mode, it uses a contrasty combination of a unique blue-green-turquoise blend combined with sunset orange.

Modern Theme Green

Modern Theme Green thats easy for the eyes and ported from Firefox for a seemless web experience.

Splat Theme

Purple Pinkish Theme.

Everforest

Everforest theme for Thunderbird.

twilight dark

Dark violet theme

Blurple

Blurple: A calming blend of blue and purple.

Start blurpmaxxing today.

New Year's Eve Theme

Celebrate New Year's Eve with this festive Thunderbird theme featuring fireworks and sparkling visuals.

Classic BB Colors

Calm and simple, bright theme in classic blue and beige colors.

MintGreen Dark Soft

This theme matches well with LinuxMint and Cinnamon Theme.
Use an add-on like Darko to darken the message body.
Originally written for Firefox.
Thanks to calvinchd at calch.themes.thunderbird.net for original Gruvbox Dark.
Tested up to v128.

Vioorange Warm

Warm, cozy theme ideal for winter or autumn.

Dracula Theme for Thunderbird

Dracula theme for Thunderbird.

Two little birds Featured