Top-Rated Extensions

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Vault Shortcut Requires Restart

Adds a toolbar button that opens the LastPass Vault in an external browser.

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13 users

Integrated Authentication for SeaMonkey Requires Restart

An extension that helps with enabling and managing NTLM (Windows pass-through) and other SPNEGO (integrated authentication) settings.

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14 users

MyAdFilter

With MyAdFilter, free content creators propose you only one ad. Apart from those, as your usual ad-blocker, MyAdFilter disables all ads.

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44 users

WebRTC Permissions UI Toggle Requires Restart

A toolbar button for SeaMonkey to bypass the missing WebRTC permissions dialog and temporarily allow media capture.

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42 users

ACColorPicker

A full featured color selector tool, to work with colors, and easily find the colors you want.
很方便色取色器,可以页面上直接取色,然后再对颜色进行进一步的调整

Not yet rated
180 users

Stop Watch timer (Sea Monkey) Compatible with Firefox 57+

Stop Watch timer for Sea Monkey

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1 user

Tasks Scheduler (Sea Monkey) Compatible with Firefox 57+

Keep a list of your important todo list in one place.

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5 users

XingClean

Der Spam-Filter für Xing! Entfernt störenden Spam aus der Xing-Timeline und den Gruppen.

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15 users

jsbtn Requires Restart

JS on/off status bar button

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7 users

Tategaki Requires Restart

Tategaki allows vertical writing-mode on mail compose window.

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28 users

XDM Helper2 Requires Restart

XDM integration module2

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55 users

GNOMErunner Options Requires Restart

Allows to customize GNOMErunner theme

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880 users

Sensitivity Header + SPX Requires Restart

Implement the "Sensitivity" header for outgoing messages (described in RFC 4021 section 2.1.55).
Forked from another add-on developed by ff_bob, added SPX header for Sophos security appliances

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7 users

BrightSide XUL Installer

Automatically installs a set of domains to the Remote XUL whitelist.

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1 user

Rikaichan Japanese-Hungarian Dictionary File Requires Restart

This is a dictionary file add-on for the Rikaichan extension.

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55 users

ZeroWasteFrance base docu

Quickly add a document to the ZeroWaste documentation base.

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0 users

DownloadStudio Firefox Integration Requires Restart

Firefox Integration for DownloadStudio

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50 users

Last Dictionary for Mail

This extension will remember the last dictionary used in the Mail Compose window and use it when composing new messages.

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14 users

MintIt Button for MintShow Requires Restart

Send images to your MintShow account quickly and easily with MintIt Button for MintShow.

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1 user

Pic Zoom Requires Restart

Zoom in and out of any image on a page

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94 users