• 

  IE Tab for Firefox 1 Jan 15

• 

  CoolPreviews for Firefox 11 Apr 15

• 

  AutoPager 26 Jan 15

• 

  Amazon S3 Firefox Organizer(S3Fox) 21 Sep 15

• 

  SimilarWeb for Firefox 23 Jan 15

• 

  Mozilla Lightning 25 Jan 15

• 

  ZenMate VPN for Firefox 15 Aug 18

• 

  Grammarly Lite for Firefox 22 Jan 15