Web and Developer Tools

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Zing! Locale Switcher

Want to change from one language to another? Zing! and the locale is switched.

Rated 5 out of 5 stars (2)
2,178 users
Added April 1, 2014

Remote Developer Tools Server

This addon provides options for starting the developer tools server. It is especially valuable in XULRunner Apps where there is no UI to start the server.

NOTE: This addon is not mandatory in Firefox or Thunderbird, as support is built in.

Not yet rated
22 users
Added January 9, 2014

Console Chrome Filter Requires Restart

Adds a chrome:// filter button to the Console in SeaMonkey

Not yet rated
3 users
Added January 5, 2014

JSON Inspector

Inspect JSON object from a URL or entered data.
Requires either DOM Inspector or DOM Inspector Plus! [dm] extension.

Not yet rated
357 users
Added October 25, 2013

GitHub Extension Installer

Install Browser Extensions straight from GitHub Repositories

Rated 5 out of 5 stars (12)
2,763 users
Added September 25, 2013

MonkeyFix Requires Restart

Fixes up numerous SeaMonkey browser interface issues (eg. adding support for popup ALT attributes), as well as adding some handy features for developers and power users (eg. configure source viewer, work online/offline).

Rated 5 out of 5 stars (3)
302 users
Added September 24, 2013

InlineDisposition Reloaded

InlineDisposition Reloaded changes the disposition type of "Content-Disposition" response headers from "attachment" and "file" to "inline"

Rated 4 out of 5 stars (3)
496 users
Added September 13, 2013

Whois Lookup & Hosting & DNS & Site Flags Firefox Requires Restart

IP Whois Lookup & Website Reviews & Rating. Display country flag indicating website location. Alexa and Norton Antivirus Site Adviser. Supported: GoDaddy, NetworkSolutions, Dotster, 1and1, NameCheap, Register, Yahoo, 123-Reg, FatCow, Enom, FastHosts.

Rated 3 out of 5 stars (10)
5,899 users
Added July 17, 2013

Debugger Server Enabler

Starts the remote debugger server.

Not yet rated
10 users
Added June 20, 2013

Google Redesigned 2 Requires Restart

Ported version from Firefox to be compatible with Seamonkey 2.

A complete redesign of popular Google services, Google Redesigned changes the appearance of popular Google services.

Not yet rated
7 users
Added May 27, 2013

No More .org

No More .org prevents Firefox from loading websites with .org in the URL. This add-on was made for testing in Firefox

Rated 3 out of 5 stars (3)
1 user
Added May 24, 2013

sepsis-console (Deprecated) Requires Restart

THIS VERSION IS DEPRECATED. Use https://addons.mozilla.org/en-US/developers/addon/sepsis-console instead. See the description below.

sepsis-console is a general-purpose JavaScript console for all Mozilla toolkit applications.

Not yet rated
2 users
Added April 16, 2013

Stylish Tools Requires Restart

Quicker access to several Stylish features through a toolbar button and/or keyboard shortcuts. Available for Firefox, Thunderbird, and SeaMonkey

Rated 4 out of 5 stars (3)
1,544 users
Added April 3, 2013

Tiny JavaScript Debugger Requires Restart

TinyJSD is a JavaScript debugger for privileged code running Mozilla products like Firefox, Thunderbird, SeaMonkey. It serves to debug the application as well as extensions written in JavaScript.

Rated 4 out of 5 stars (7)
34,218 users
Added March 17, 2013

Click-to-Play Manager

Manages the Click-to-Play domain whitelist.

Rated 4 out of 5 stars (11)
2,792 users
Added February 12, 2013

IE Tab V2 Requires Restart

Ported version of IE Tab V2 (Enhanced IE Tab) that is compatible with SeaMonkey 2. Based on IETab.net work.

Rated 5 out of 5 stars (2)
83 users
Added January 5, 2013

Link Properties Plus Requires Restart

Provides extended link properties: size of linked file, last modified time, etc.

Rated 5 out of 5 stars (15)
2,102 users
Added January 2, 2013

ThaiSEObar Requires Restart

แถบเครื่องมือของ ThaiSeoBar (PR, Dmoz, Google) เป็นเครื่องมือที่อำนวยความสะดวกสำหรับวิเคราะห์ SEO ของข้อมูลในเว็บไซต์อย่างรวดเร็วที่ซึ่งมีจุดประสงค์ให้เว็บมาสเตอร์เป็นผู้ใช้ นอกจากนี้ยังมีคุณสมบัติพิเศษสำหรับผู้ใช้ทั่วไปอีกด้วย
http://thaiseobar.com

Not yet rated
2 users
Added November 7, 2012

Android Debug Bridge For Firefox

This addon adds some Android Debug Bridge access to Firefox. It requires access to the adb/adb.exe executable from the Android SDK.

Rated 5 out of 5 stars (1)
263 users
Added August 23, 2012

Config Descriptions

Shows source comments for advanced application preferences in about:config

Rated 4 out of 5 stars (24)
2,073 users
Added August 12, 2012