Miscellaneous

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Add-on Update Checker Requires Restart

Adds Tools menu item to check Add-ons for updates. Includes toolbar icon.

Rated 4 out of 5 stars (56)
20,082 users

XDM Hook Requires Restart

XDM integration module for Firefox

Rated 5 out of 5 stars (3)
5,636 users

AutoProxy-ng Requires Restart

This is a fork of AutoProxy, which can run the latest version of Firefox.

Rated 5 out of 5 stars (31)
4,297 users

Add-ons Manager Context Menu Requires Restart

Add more items to Add-ons Manager context menu.

Rated 5 out of 5 stars (36)
164,662 users

PlayFlash 32bit Requires Restart

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.

Rated 5 out of 5 stars (19)
10,187 users

PONG! Multiplayer Requires Restart

Play a game of PONG! while you are waiting.

Rated 5 out of 5 stars (7)
4 users

Thunderbird Integration for JIRA Requires Restart

This is a plugin for Thunderbird 3.3+ which is able to create Atlassian Jira issues out of e-mails or add the content of an e-mail as a comment on an Jira issue.

Rated 3 out of 5 stars (13)
360 users

Toggle Development Profile Prefs

Toggles Development Profile Preferences On When Enabled And Off When Disabled.

Not yet rated
11 users

Unpacked extension loader Requires Restart

This addon should be useful for addon developers who prefer to work with unpacked exentsions for test purpose.

Rated 4 out of 5 stars (2)
161 users

Restart App Button

Restart the current application, as you might need to do after installing a new extension or theme.

Rated 5 out of 5 stars (5)
548 users

ClickGuard

Prevent accidental interaction with tab contents

Not yet rated
69 users

Display mailing list header Requires Restart

This extension implements RFC 2369 for Thunderbird: Special mailing list header fields in the mail are parsed, and the links are displayed in the extended header view. You can click them to simply go to the archive, request help or unsubscribe.

Rated 3 out of 5 stars (6)
8 users

MoveThrobber Requires Restart

Move SeaMonkey's throbber from the Toolbar to the Menubar.

Not yet rated
0 users

SeaMonkey Update Server Cert HotFix Requires Restart

Adds the current Certificate used by the Official Update Server to SeaMonkey's acceptable list.

Not yet rated
25 users

Hyperactive

Scans hyperlinks in composed messages and alerts if one of the hyperlinks is broken.

Rated 4 out of 5 stars (1)
29 users

EDS Calendar Integration Requires Restart

Integrates calendars events with Gnome clock applet

IMPORTANT:
Plugin may hang on Fedora.
As a workaround uninstall evolution-ews.

Rated 4 out of 5 stars (10)
398 users

About:about Button

A button that lists all the about pages that exist. Some of these pages are also provided as separate buttons.

Rated 3 out of 5 stars (5)
190 users

Simple Hinting

Allow keyboard browsing through links hinting.

Not yet rated
3 users

HostIP.info Geolocation Plugin Requires Restart

Displays Geolocation information for a website using hostip.info data. Works with all versions of Firefox...

Rated 4 out of 5 stars (13)
479 users

Ajustar Requires Restart

This extension adds a new button that adjust navigator window to page content.
Every web page has a width and height, and the navigator window usually is not fitted to the page content. With this extension you can read easier the web pages clicking ...

Not yet rated
0 users