Add-ons
Newest Extensions
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Lime Orchard
In shades of green - for those who want to hide in lime trees shadow.
Dark Sky
A dark theme in shades of blue for those gazing at the night sky.
Chocolate Cake
An exquisite skin of intense taste for true connoisseurs - in shades of brown.
Autumn Evening
A perfect skin in orange and green for reading emails on a late rainy night.
Nord Orange (Thunderbird)
Nord-inspired orange-accent theme for Thunderbird.
MMB TB Light-Gray-Green
Light-gray table-view with green buttons and blue menues.
Rounded buttons and toolbars.
Thunderbird image in upper right corner.
Bird Light Theme (sparrows)
Light theme with a birds in the top-right corner and light OSX toolbar.
Thunderbird Suave Wide
The original Suave theme by aramaicus-1364593947.42 with WIDER image - 5120 pixels wide - to avoid black bars on wide screens - all credits to aramaicus for the original theme - this is just an adjustment to look good on wide screens.
Coral Tide
A modern light Thunderbird theme mixing a pastel navy blue and hot coral. I love this colour combination and I'd been looking for a nice theme that uses something similar and didn't find one so made it myself!
Cute Home
Cute Sky Dream Home Thunderbird Theme
Transform your Thunderbird with the "Cute Home" theme. Featuring a dreamy pastel sky and a whimsical floating house, this theme adds a touch of fantasy to your inbox.
Catppuccin Macchiatio Unofficial
Unofficial Catppuccin Macchiatio Theme based on the colour theme at https://catppuccin.com
Black Sand TH
This is a minimal skin with a nearly solid background and no visual distractions.
LSP Theme
Theme for LSP Users.
Added lightsaber at bottom for progress bar in version 1.2
Sky Tower
A tower in the dark blue sky, with a hint of clouds and dragons.
Hatsune Miku (Chrome replica) 4K+
Hatsune Miku, a character featured in vocal synthesis software developed by Crypton Future Media, is one of Japan's most popular manga idols.
Full White Classic
Full White Classic uses Thunderbird Light colors instead of OS colors.
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