Add-ons

Add-ons Button by Button Guy

Opens the Add-ons window to perform tasks on your installed Extensions, Themes, Plug-ins and Language packs.

Collector's Note Access "Extensions" and "Themes" from the Tools menu. (Not installed)

ImageTweak: zoom/rotate images and videos! by Carlo Alberto Ferraris

A no-clutter image viewer for Firefox that allows you to zoom, rotate and display images/videos against a custom background. ImageTweak is a must-have addon for any photographer or photography-loving user.

Collector's Note (Not installed)

True Full Screen in SeaMonkey by Lemon Juice

This extension enables true full screen mode in SeaMonkey for HTML5 video players, slide-shows, etc. and also for full screen invoked manually with the F11 key.

Collector's Note Watch videos in full screen.

Keyword Search by Mike Kaply

Search in the address bar without changing your search engine.

Collector's Note Allows for address bar to have separate search engine.

AMO Browsing for SeaMonkey by iBreniaR, Lemon Juice, others

This extension makes browsing for extensions easier at addons.mozilla.org. It fixes incorrect information about some extensions being not available for SeaMonkey and adds links to the Add-on Converter where needed.

SeaTab-X-2 by patrickjdempsey

Adds Firefox-style tab closers into SeaMonkey.

Collector's Note Adds close button to tabs.

Select like a Boss by Dzianis Rusak

Select link's text just like a regular text (like in Opera'12 browser) - Select like a Boss ;)

Collector's Note Select links like plain text.

FastPrevNext by Nils Maier

Easily browse through sequenced URLs

Collector's Note Go to next/previous numerical page.

Edit Bookmark Plus by Kashif Iqbal Khan

Resize 'Add Bookmark' Popup / 'Edit This Bookmark' Popup, fixes tree selection bug, option to disable popup auto close & Update Url and/or Name of a bookmark with the Url/Title of current page.

Replacement of OpenBook addon

Collector's Note Resize text boxes.

SeaMonkey Vertical Tab Bar by rn10950

Tab bar on the side of the window for SeaMonkey.

Collector's Note Prayers have been answered. SeaMonkey has vertical tabs!

Sea Fox by patrickjdempsey

Transform SeaMonkey into Firefox 3.x

Collector's Note Enhances SeaMonkey.

Duplicate This Tab by vinay

This add-on provides the much needed feature update of Tab Duplication to Mozilla Browsers. Features Supported include Duplication of Browser Tabs, Detaching Tabs and Merging All Windows.

Collector's Note Duplicate tabs.

ToggleDocumentColors_ by Darkoshi

Adds a toolbar button and keyboard shortcut to switch between the default page colors and user-defined colors.
Firefox shortcut: Control-Shift-C
SeaMonkey shortcut: Control-K

Fetch Text URL (fix version) by Oleksandr

Open text URLs from the context menu.

Collector's Note Open text URLs in new windows.

Stratini Artemia by patrickjdempsey

A new experimental Stratini theme for SeaMonkey

Collector's Note Clean theme. (Not installed, not working yet)