Descrição
TweakGuides.com - Firefox Tweak Guide - PCGamingWiki mirror
12 Firefox Add-ons for Developers & Designers - Usersnap
Task Manager Addon for Firefox
Install a Firefox Add-on Manually
Firefox add-ons disabled en masse after Mozilla certificate issue
I can't install any add-ons from the store, Firefox Support Forum
Add-ons Browser Watch
A Better Add-on Discovery Experience
Firefox Add-ons Manager
How to Install Extensions in Firefox
Add-ons Manager Context Menu :: Add-ons for Firefox
Topic: This is an improvement? (Firefox) @ AskWoody
Tip] Enable New Secret UI of Add-ons Manager (About:Addons) in Mozilla Firefox – AskVG
Restore version information in the Firefox add-on manager - gHacks Tech News
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por adulto (o preço varia de acordo com o tamanho do grupo)
