SeaMonkey

by Zulkarnain K.

45 Add-ons in this Collection

RefControl by James Abbatiello

Rated 4 out of 5 stars 177 reviews

85,871 users

Control what gets sent as the HTTP Referer on a per-site basis.

QuickNote by Leszek Życzkowski, Jed Brown, others

Rated 5 out of 5 stars 167 reviews

27,460 users

A simple note-taking extension.

Scriptish by Erik Vold, Nils Maier, others

Rated 4 out of 5 stars 109 reviews

78,780 users

The greatest user script engine on the Internet (a fork of Greasemonkey).

Lightweight Themes Manager by Zulkarnain K.

Rated 5 out of 5 stars 6 reviews

16,327 users

Manage your installed personas (lightweight themes).

DOM Inspector by SeaMonkey Council

Rated 5 out of 5 stars 61 reviews

149,594 users

DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.

Extension Auto-Installer by Wladimir Palant

Rated 5 out of 5 stars 12 reviews

4,054 users

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.

GitHub Extension Installer by Diego Casorran

Rated 5 out of 5 stars 8 reviews

2,409 users

Install Browser Extensions straight from GitHub Repositories

Add-ons Manager Context Menu by Zulkarnain K.

Rated 5 out of 5 stars 27 reviews

10,759 users

Add more items to Add-ons Manager context menu.

JSONovich by mjgiarlo, Will Elwood

Rated 4 out of 5 stars 30 reviews

10,008 users

Pretty-prints JSON content in the browser for easy, unobtrusive viewing.

Stylish Sync by Herrminator

Rated 5 out of 5 stars 19 reviews

6,103 users

Sync engine for Stylish with backup / restore facility.

Custom Buttons by Yan, cubegm, others

Rated 4 out of 5 stars 84 reviews

88,388 users

Gives a possibility to create custom toolbarbuttons...

PrefBar by Manuel Reimer

Rated 5 out of 5 stars 38 reviews

17,314 users

The all in one toolbar(item). Houses and manages bigger amounts of buttons (Clear Cache, Clear Cookies, ...), Menus (User Agent spoof...) and checkboxes (Javascript, Flash, ...). Extensible from online-database or with self created buttons.

Open in Browser by Sylvain Pasche

Rated 5 out of 5 stars 55 reviews

7,832 users

Offers the possibility to display documents in browser window.

LCARStrek by KaiRo

Rated 4 out of 5 stars 45 reviews

3,153 users

This one is a Star Trek theme, using the LCARS interface known of Federation Star Ships (heavily used in The Next Generation and Voyager series). It's got lot of rounded borders and hover (mouse-over) effects, be aware that it may look and feel...

Console² by Philip Chee, zeniko

Rated 5 out of 5 stars 47 reviews

11,986 users

Console² (pronounced Console Squared or Console Two) replaces the JavaScript Console with what could be the next generation Error Console. From v0.5 includes the Console Filter extension previously available separately from the Console² website.
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