有鑑於套件開發的資源不少，另闢此頁以整理，若覺得有需要整合到別的頁面，請刪除此頁！ (各小節標題以字母排序)

一般

複合網頁

• Mozilla Developer Center Mozilla 開發中心
• mozillaZine
• MozillaZine Forums
• The Art of IT » 基于 Mozilla 的扩展开发
• DevX: Project Cool: Web Development Basics

單一網頁

• Born Geek: Firefox Toolbar Tutorial Googlebar Lite 套件實做教學
• Firefox Extension Development Tutorial Home Page Scheduler 套件實做教學
• Extension development - MozillaZine Knowledge Base
• Creating Applications with Mozilla Mozilla 開發線上書籍
• David Huynh >> Mozilla + Firefox extension development
• mozilla.org Bugzilla
• Duffblog: Writing an Extension for Firefox
• Hello World——开发你的第一个Firefox扩展
• Gmacker, Firefox Extension Tutorial
• Mozilla Application Framework in Detail - MDC
• Firefox Extension Tutorial — Business Logs
• Building an Extension - MDC
• Tutorial: Creating a Mozilla Extension
• Category:Example code - MozillaZine Knowledge Base
• Extension guidelines - MozillaZine Knowledge Base
• Drag and Drop in Firefox

相關技術

CSS

• CSS Tutorial Traditional Chinese
• CSS實務排版技巧、秘訣與技術
• Taiwan.CNET.com - 網頁建構 - CSS 性質參考資料表
• CSS Cheat Sheet
• CSS Introduction
• DevGuru CSS2: Index
• CSS Reference - MDC
• CSS Reference:Mozilla Extensions - MDC
• CSS event:Selectors

DOM

• Gecko DOM Reference
• Mozilla Object Reference
• Mozilla DOM Sample Project
• DevGuru XML DOM XMLDOM Index
• JavaScript Kit- DOM (Document Object Model) Reference

HTML

• DevGuru HTML Tag Index
• HTML Character Entities Cheat Sheet
• RGB Hex Colour Chart

JavaScript

• JavaScript 程式設計與應用：用戶端
• Taiwan.CNET.com - 網頁建構 - 20 個 JavaScript 視窗小技巧
• 常用的一些javascript小技巧 - 经典论坛
• 愛德華日誌 : Javascript: Scripting Search Enging
• Javascript 收集/教學
• JavaScript Introduction
• JavaScript-1.5 Reference
• Core JavaScript 1.5 Reference - MDC
• Adding Drag and Drop to Statusbarpanel - MozillaZine Knowledge Base
• JavaScript
• DevGuru JavaScript Index
• JavaScript Cheat Sheet
• JavaScript coding guidelines - MozillaZine Knowledge Base
• JavaScript Methods Index - MDC
• JavaScript Reference
• JavaScript Kit- JavaScript Reference
• JavaScript Libraries
• JavaScript Scripting Resources
• Reading textual data - MDC
• Javascript in Ten Minutes
• 9 Javascript(s) you better not miss !!
• BrainJar.com: Calendar
• JavaScript Source: Free JavaScripts, Tutorials, Example Code, Reference, Resources, And Help

XML

• Taiwan.CNET.com - 網頁建構 - 20 個 XML 大哉問
• XML 概觀
• XML技术上传文件
• 亚洲源码站 >> XML教学
• "Chinese XML Now" 中文首頁
• XML Introduction
• XML Reference Guide
• Google XML Reference
• XML Files - Extensible Markup Language Tutorials for Developers
• TopXML : XML Tools, XML Articles and XML Learning Tutorials
• Zvon: XML basics quick start

XPCOM

• XPCOM Reference
• XPCOM API Reference - MDC
• Creating XPCOM Components
• Embedding API Reference
• Howto: Build an XPCOM Component in Javascript

XUL

• XUL Tutorial
• XULNotes
• XUL Widget Cheatsheet
• XUL Reference Introduction
• limodou的学习记录 - XUL
• Mozilla XUL and Script Reference
• XUL Periodic Table XUL 範例，可直接套用

其他

• Firefox Chrome URLs

工具

• Mozilla Localization Editors
• W3C RDF Validation Service
• Venkman for Firefox 1.5 | Getahead
• DebugLogger Firefox & Thunderbird Extension by Jeremy Gillick
• XPCOM Component Viewer
• mozdev.org - xulmaker XUL 開發環境(開發中)
• Extension Developer's Extension
• JavaScript Development Environment 2.0.1
• Real-time HTML Editor
• JavaScript Shell 1.4
• XPCOM helper