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.
A while ago I put up this article, reviewing 5 so-called 'essential' add-ons for Firefox. To continue in the same manner in this second part, here are 5 add-ons updated for Firefox 3.5 which can prove useful. Maybe not the most popular, but they definitely deserve a try.