• 

  IE Tab for Firefox 1 Jan 15

• 

  Ghostery (for Firefox) 14 Feb 15

• 

  HTTPS Everywhere for Firefox 11 May 16

• 

  FlashGot 1 Jan 15

• 

  The Riight.com Toolbar for Firefox 10 Jul 15

• 

  Adblock Plus for Mozilla Firefox 4 Mar 16

• 

  TabTab 10 Jul 15

• 

  PhProxy-InBasic 21 Sep 15