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gContactSync Requires Restart

Synchronizes contacts & groups between Thunderbird and Google Contacts.

Rated 4 out of 5 stars (416)
14,319 users

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Download Status Bar

If you are the kind of person who likes to have total control over every aspect of your downloads, "Download Status Bar" is the add-on you are looking for.

Rated 5 out of 5 stars (437)
73 users

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QuickFolders (Tabbed Folders)

The "Swiss army knife" of folders. Turn your favorites into tabs - open folders and subfolders, move mails without scrolling around or searching. powerful + easy.

See new mail at a glance after automatic filtering - supports quickFilters addon!

Rated 5 out of 5 stars (190)
14,792 users

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Metal Lion Sea Monkey Requires Restart

Metal Lion meets SeaMonkey.

Rated 5 out of 5 stars (10)
135 users

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Metal Lion Silver Sea Monkey Requires Restart

Metal Lion meets SeaMonkey and makes it shine....

Rated 5 out of 5 stars (2)
34 users

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clamdrib LIN Requires Restart

"clamdrib LIN" ist wie der Name schon sagt die Weiterentwicklung des Add-on clamdrib, allerdings nur noch für Linux. Sämtliche E-Mails, Feeds und News werden auf Viren und anderes Ungeziefer geprüft und gemeldet. Gelöscht wird hierbei jedoch nichts!

Rated 3 out of 5 stars (8)
9 users

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US English Medical Dictionary Requires Restart

Adds 7,500+ medical terms to the standard US English dictionary. Enabled by right clicking on a textarea, selecting "Languages" then "English (Medical)". For use in Firefox, Thunderbird and SeaMonkey.

Rated 1 out of 5 stars (2)
1 user

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Mongolian Spellchecking Dictionary

Mongolian Spellchecking Dictionary

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13 users

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