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ImportExportTools 需要重开

Adds some tools to import and export folders and messages

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8,582 位用户

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Session Manager

Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.

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165 位用户

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Mail Redirect 需要重开

提供重定向(转送)邮件消息到其他收件人的功能。

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2,988 位用户

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PlayFlash 32bit 需要重开

Flash player plugin - unofficial xpi repack for 32bit browsers.
Use when official plugin installer is not suitable.
All binary files are copyrighted by their authors and distributed for free.

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61 位用户

下载 适用于 Windows

ChatZilla 需要重开

A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.

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14,185 位用户

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Contact Photos 需要重开

Displays contact photos in the message header.

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85 位用户

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Lightbird 需要重开

Standalone calendar UI for Lightning

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156 位用户

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PlayFlash 64bit 需要重开

Flash player plugin - unofficial xpi repack for 64bit browsers. Use when official plugin installer is not suitable. All binary files are copyrighted by their authors and distributed for free.

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42 位用户

下载 适用于 Windows

Disable Addon Compatibility Checks (Version 4-56)

Reinstates the extensions.checkCompatibility preference.

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41 位用户

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Diagnostics for Adblock Plus

Diagnostics tool for Adblock Plus, provides some insight into internal processes of Adblock Plus.

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66 位用户

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Mouse Gestures Suite 需要重开

Mouse gestures for SeaMonkey & Firefox: navigate & execute commands using mouse gestures (with single mouse button) and rocker gestures (by pressing 2 mouse buttons). Also: scroll wheel navigation, page scrolling, tab scrolling.

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47 位用户

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Addons Manager Hilite

Remembers last selected (hilited) extension/theme/plugin/userstyle in Add-ons Manager. Version 3.0 also includes sorting buttons. Turn off/on the add-on selection list box and/or fine tune behavior via its Options.

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1 位用户

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Addons Quick Search 需要重开

Type first letters of add-on name to find them in the list or press Ctrl+↑/↓ to switch between add-ons categories.
Additionally remember and restore last selected item in each list.

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4 位用户

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Extension Auto-Installer

Important note: This extension will not work in Firefox 57 and above. Providing this functionality in Firefox is no longer possible, the extension is discontinued.

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4 位用户

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Addons Recent Updates 需要重开

Show more addons recent updates

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6 位用户

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Extension List Dumper 2 需要重开

This extension adds a button ("Dump list") to the Add-ons window. When this button is pressed, a new window is opened with the list of installed extensions, themes or plugins...

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11 位用户

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Join-NG 需要重开

Join partial messages. Somewhat similar to MS Outlook Express "combine and decode".

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866 位用户

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Flexible Identity 需要重开

Selects an identity based on the recipients list when sending an email

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238 位用户

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Mailopen 需要重开

Open an email file from the commandline

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5 位用户

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Standalone SeaMonkey Mail

Use SeaMonkey as a standalone e-mail client. Set up a default browser for links opened from Mail & Newsgroups.

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330 位用户

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