Newest Extensions
Sort by:
3DTriangles
A Mozilla Thunderbird theme with 3D Objets and transparent design
Arc Theme for Thunderbird
Another Thunderbird theme inspired by the Arc theme.
Dark Space Thème 9MKR
Dark Space Thème 9MKR est un thème de couleur sombre avec une image de l'espace.
Mail Delivery 4K (2023)
Mail Delivery 4K (2023) theme for Thunderbird 100+ and 4K monitors.
Mail Delivery 4K (2018)
Mail Delivery 4K (2018) theme for Thunderbird 100+ and 4K monitors.
Mail Delivery 4K (Red)
Mail Delivery 4K (Red) theme for Thunderbird 100+ and 4K monitors.
Mail Delivery 4K (Grey)
Mail Delivery 4K (Grey) theme for Thunderbird 100+ and 4K monitors.
Mail Delivery 4K (2009 Alt)
Mail Delivery 4K (2009 Alt) theme for Thunderbird 100+ and 4K monitors.
Mail Delivery 4K (2009)
Mail Delivery 4K (2009) theme for Thunderbird 100+ and 4K monitors.
Mail Delivery 4K (2004)
Mail Delivery 4K (2004) theme for Thunderbird 100+ and 4K monitors.
KDE Breeze Dark - Mountains
A theme to fit KDE Breeze Dark, with automatic color selection, and using the new Mountains wallpaper
Abstract Theme Carole Pepper
An abstract Firefox theme of the charactor Carole Pepper of Honkai Impact 3rd. Inspired by the color of the character's default skin, including the character's skin tone and clothing color. The copyright owner of the charactor Carole is Mihoyo.
To create your own collections, you must have a Mozilla Add-ons account.