Welcome to Thunderbird Add-ons.

Add extra features and styles to make Thunderbird your own.

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Extensions by Weekly Downloads

Harpidetu

Arc Theme for Thunderbird

Another Thunderbird theme inspired by the Arc theme.

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3DTriangles

A Mozilla Thunderbird theme with 3D Objets and transparent design

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Dark Shadows XT

Dark Shadows XT theme for Thunderbird by Nyquisteroux. Quite dark theme, based on shades of grey colors and optimized for enlarged Thunderbird interface - to see best results, set Density: Relaxed and Font Size: 15px in Thunderbird Options.

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Endeavour_Purple

My Theme

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