Collections by Firefox user 1f8be4

My Favorite Add-ons by Firefox user 1f8be4

Opera in Firefox by Firefox user 1f8be4

Add-ons that add into Firefox features that are similar to those of Opera 12, Opera or Vivaldi, and/or even enhanced.

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Collections make it easy to keep track of favorite add-ons and share your perfectly customized browser with others.

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