Google Chrome Add-ons for Web App Hackers

Up until now, there have not been so many Chrome extensions unlike Firefox ones  forWeb App Penetration Testing. Thus, this cannot be a comprehensive list. Help posting your favorite add-ons in the comment section. Thank you.
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RECONNAISSANCE

• Web Technology Notifier
• Wappalyzer 
• Chrome Sniffer (another Wappalyzer;not sniffer by meaning)
• Web Server Notifier
• W3Spy
• Exploit DB latest
• All in one web searcher 
• GHDB 
• Oracle Code Search
• Port Scanner 1
• Port Scanner 2

SESSION MANAGEMENT

• Session Manager 1 
• Session Manager 2 
• Session Buddy
• Edit This Cookie
• cookie.txt export
• Swap my cookie
• Cookie Manager
• Remove cookies for site
• Awesome Cookie Manager
• LWP cookie export

HTTP REQUEST REPLAY

• Dev HTTP Client 
• Simple REST Client
• Advanced REST client Application 
• Request Maker
• Change HTTP Request Header

(SEMI-AUTOMATED) SCANNER

• WebSecurify
• WebSecurify (App)
• Recx Security Analyzer 
• AntiXSS 
• XSS Rays

SCRIPTING/MACROS

• Tampermonkey Beta
• Python Shell
• Python Shell (App) 
• Python Fiddle
• Lua Shell
• iMacros for Chrome 
• Coffee Console (CoffeeScript - http://coffeescript.org/) 
• ChroSh
• jsshell
• Simple Form Filler

HTML/JAVASCRIPTING DEBUGGING

• Developer Tools (Chrome Built-in)
• FireBug
• Web Developer
• JsError
• JSONView
• XPath Helper
• PsychoXPath
• JSON Inspector
• Javascript Object Browser 
• Tryit Editor 
• jQuery Shell
• Javascript Populars 
• ChromeAccess

HTML5 STORAGE

• html5 buddy 
• Local Storage Manager 
• LocalStorage Monitor
• LocalStorage DevTool 

ENCODING/DECODING

• d3coder 
• Encode Data URL
• Picture Encoder
• Advanced Encoder/Decoder
• JavaScript Tools
• JavaScript Compression Tool

CROSS-BROWSER SIMULATION

• Dummy FileSystemObject  
• ActiveX for Chrome
• IE Tab Multi 
• IE Tab
• Mozilla Gecko Tab
• FireMobileSimulator
• User-Agent Switcher for Chrome
• User-Agent Switcher
• Ultimate User Agent Switcher

MISC

• Proxy Switchy
• FoxyProxy
• Forget Me 
• FlashControl
• W3Launcher 
• Angry Code Editor
• Google Project
• Remote Desktop
• FTP Editor 
• SSH jcterm 

EVIDENCE COLLECTION/DOCUMENTATION

• Simple Highlighter  
• Screen Capture
• Quick Notepad
• Quick Markup
• MindMeister 

Source