Miscellaneous

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Snap Links Plus

Select a number of links with a rectangle and open them all in new tabs in the same or a new window(s), download them or copy them to the clipboard. You can also lasso checkboxes to quickly check or uncheck them.

Rated 4 out of 5 stars (109)
28,597 users
Updated April 29, 2016

Screen-sharing extension for Connected Care No Restart

Screen-sharing extension for Connected Care

Rated 3 out of 5 stars (1)
83 users
Updated April 28, 2016

AutoCopy 2

Copies selected text to the clipboard automatically.

Rated 5 out of 5 stars (60)
18,786 users
Updated April 28, 2016

QuickNote

A simple note-taking extension.

Rated 5 out of 5 stars (171)
26,662 users
Updated April 27, 2016

gContactSync

Synchronizes contacts & groups between Thunderbird or SeaMonkey and Google Contacts. Imports Facebook friends, contacts you follow on Twitter, and more.

Rated 4 out of 5 stars (212)
81,136 users
Updated April 25, 2016

Contact Photos

Displays contact photos in the message header.

Rated 4 out of 5 stars (22)
2,061 users
Updated April 25, 2016

Lightning Featured

Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.

Rated 3 out of 5 stars (1,914)
5,837,857 users
Updated April 25, 2016

SmartTemplate4

SmartTemplate4 offers an easy way to automatically create customized replies by auto-inserting various mail headers. Templates can be created for every account as well as for the default (all email accounts). Also supports the Stationery Add-on.

Rated 5 out of 5 stars (49)
18,918 users
Updated April 20, 2016

FoxClocks No Restart

FoxClocks shows times around the world - or just your local time - at the bottom of your browser. It deals with daylight saving time so you don't have to.

Rated 4 out of 5 stars (324)
66,703 users
Updated April 16, 2016

ScrapBook X AutoSave

Automatically saves web page to ScrapBook on browsing.

Rated 4 out of 5 stars (1)
689 users
Updated April 13, 2016

Send Later

True "Send Later" functionality to schedule the time for sending an email.

Rated 5 out of 5 stars (45)
62,797 users
Updated April 12, 2016

Lightbird

Standalone calendar UI for Lightning

Rated 4 out of 5 stars (12)
4,471 users
Updated April 12, 2016

PlayFlash 32bit

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.

Not yet rated
970 users
Updated April 8, 2016

AutoProxyMod

Based on original AutoProxy!

Rated 5 out of 5 stars (5)
73 users
Updated April 6, 2016

Simple Hinting No Restart

Allow keyboard browsing through links hinting.

Not yet rated
4 users
Updated April 4, 2016

mappviewer

Tools for Meyersound's MAPPonline

Not yet rated
15 users
Updated April 3, 2016

Open RegEdit Key No Restart

[WINDOWS ONLY] Open selected registry key directly in the registry editor from context menu.

Rated 4 out of 5 stars (5)
318 users
Updated April 2, 2016

Extension Auto-Installer No Restart

Extension Auto-Installer is a helper for Firefox/SeaMonkey/Thunderbird extension developers: it allows automatically adding or updating browser extensions, e.g. via command line tools. This makes testing your changes easier.

Rated 5 out of 5 stars (17)
4,013 users
Updated March 23, 2016

Toggle Word Wrap

Toggle word wrapping and PRE element wrapping in the message composition and HTML display windows, respectively.

Rated 4 out of 5 stars (38)
6,786 users
Updated March 22, 2016

ClickGuard No Restart

Prevent accidental interaction with tab contents

Not yet rated
46 users
Updated March 22, 2016