Web Browsers

Privacy

• Adblock Plus
  Block advertisements
• BugMeNot
  Login using shared accounts
• ublock origin
  Block unwanted third-party scripts and cookies
• privacy badger
  Protects your privacy
• Ghostery
  Anti-tracking
• ShareMeNot
  Removes social sharing buttons and prevents their cookies

Security

• LastPass Password Manager
  Password Manager

Usability

• Tree Style Tab
  Tabs on the left
• fox input
  Ctrl + i selects first input box
• procon latte content filter
  whitelist / blacklist sites
• Classic Compact
  Allows compact UI with advanced settings
• FLST
  Switch between current and last selected tab with click or Ctrl + .
• SmoothWheel
  Scroll smoothly
• Show Profile
• Stylish

Development

• TotalValidator
• Firebug

Other

• DownloadHelper
• FlashBlock
• GreaseMonkey
• RES
• Restartless Restart
• UAControl (requirement of pipelight)