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summersmile

Summersmile adds a lively flair to Thunderbird with a sunny yellow background, playful smiley graphics, and a "sunshine and smiles" theme that refreshes your email experience.

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18 users

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Dark electric violet

Dark and violet theme for Thunderbird by Stonymontana

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67 users

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Friul

Theme with the official Friulian Flag.

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2 users

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Polski błękit

Motyw by QLIN

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0 users

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KDE Breeze Dark - Mountains

A theme to fit KDE Breeze Dark, with automatic color selection, and using the new Mountains wallpaper

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14 users

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Mail Delivery 4K (2004)

Mail Delivery 4K (2004) theme for Thunderbird 100+ and 4K monitors.

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25 users

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Mail Delivery 4K (2009)

Mail Delivery 4K (2009) theme for Thunderbird 100+ and 4K monitors.

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12 users

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Mail Delivery 4K (2009 Alt)

Mail Delivery 4K (2009 Alt) theme for Thunderbird 100+ and 4K monitors.

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18 users

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Mail Delivery 4K (Red)

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

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91 users

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Mail Delivery 4K (2018)

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

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42 users

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Mail Delivery 4K (2023)

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

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126 users

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Everforest

Everforest theme for Thunderbird.

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67 users

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Blurple

Blurple: A calming blend of blue and purple.

Start blurpmaxxing today.

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12 users

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New Year's Eve Theme

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

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8 users

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Classic BB Colors

Calm and simple, bright theme in classic blue and beige colors.
Screenshots: https://imgur.com/AWjqqfe | https://imgur.com/75u8TvJ

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86 users

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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.

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21 users

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Vioorange Warm

Warm, cozy, bright theme in violet and orange, ideal for winter or autumn.
Screenshots: https://imgur.com/NdKQA43 | https://imgur.com/uXtZpPw

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12 users

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Pistachio Ocean

Light and fresh, calming theme in pistachio and bright blue colors - not only for medics.
Screenshots: https://imgur.com/0hNFPjY | https://imgur.com/0Rma4Mn

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40 users

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Retro Cyborg

A distinctive theme referring to retro arcade games in turquoise and blueviolet.
Screenshots: https://imgur.com/mGno8eL | https://imgur.com/i5brkRR

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18 users

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Greeny Lemon

A refreshing theme with a delicate citrus flavor in yellow and green.
Screenshots: https://imgur.com/QKe1FZQ | https://imgur.com/aBVVKtX

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7 users

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