Overview of 10 Very Good Firefox Add-ons

In this article I will overview several add-ons for Firefox which I consider useful and are also popular among Firefox users. The article is divided into two parts, the first one containing add-ons for users which are not necessarily tech-savy, while in the second I will mention add-ons for advanced users or web developers. The article applies for the current Firefox version, which is 19.0.