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  • TT DeepDark

    Smooth dark theme for Thunderbird
    • Beta version available here
    45,964 users
    Rated 5 out of 5 stars (141)
  • NoGlass

    Remove Aero glass in TB and give the option of colored icons
    10,043 users
    Rated 5 out of 5 stars (33)
  • Ignore Aero

    Ignore Aero on Windows 7 and Vista, restore the look and feel of Thunderbird 3!
    6,114 users
    Rated 5 out of 5 stars (60)
  • Walnut2 for Thunderbird

    Walnut2 for Thunderbird, based on icons from art.gnome.org. Walnut2 is based on Walnut but with better looking wood panels. Fully compatible with from 5.0 upto latest nightly build (currently 27.0a1). Full support for Lightning/calendar.
    17,697 users
    Rated 5 out of 5 stars (35)
  • xpDefault

    Default XP theme for Windows 7. Works also with the Lightning calendar add-on!

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    Thank you all for donations! If you have any suggestions (or bug reports), don't hesitate to submit them on the Support site (on the right below the screenshots).
    4,070 users
    Rated 5 out of 5 stars (18)
  • Silvermel

    A Creamy Silvery Experience
    62,342 users
    Rated 5 out of 5 stars (573)
  • Oxygenate

    An Oxygen icon theme for Thunderbird and Lightning
    2,084 users
    Rated 5 out of 5 stars (29)
  • Charamel

    A Creamy Sugary Experience
    22,221 users
    Rated 5 out of 5 stars (102)
  • MS Office 2003 JB Edition

    MS Office 2003 Theme.
    26,028 users
    Rated 5 out of 5 stars (41)
  • Phoenity Shredder

    A simple and colorful theme for everyone.
    10,364 users
    Rated 5 out of 5 stars (28)
  • Outlook 2003 GreenTB

    A Outlook 2003 Theme in Green to give the feeling of the Office look and a better integration in the Green Windows XP...
    786 users
    Rated 5 out of 5 stars (7)
  • NASA Normal

    Simple white and gray theme with NASA styling
    452 users
    Rated 5 out of 5 stars (16)
  • CrossOver

    Now works with Thunderbird 2.0.
    An Aqua Theme for Mozilla.
    2,352 users
    Rated 5 out of 5 stars (20)
  • Nuvola TB

    Theme based on the Nuvola icon set by David Vignoni (http://icon-king.com/?p=15).

    You can find developer versions under http://mozilla.paenglab.ch/
    17,171 users
    Rated 5 out of 5 stars (57)
  • 2nd Classic

    Looks like some Mac application.
    2nd Classic is Simple and Clean Theme for Thunderbird 2.
    722 users
    Rated 5 out of 5 stars (46)
  • Nautipolis for Thunderbird

    Nautipolis for Thunderbird: High-quality, solid theme based on icons from art.gnome.org.
    Fully compatible with from 5.0 upto latest nightly build (currently 27.0a1). Full support for Lightning/calendar.
    12,773 users
    Rated 5 out of 5 stars (22)