My top ten Firefox Add-ons:

1: Torrent Finder Toolbar: For all of you who like to play in the dark side of town downloading stuff you should not!

2: uBlock: Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.

3: Search By Image: A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.

4: Gmail: Transform a Gmail account into an online hard drive!

5: OneTab: Too many tabs? Convert tabs to a list and reduce browser memory

6: Wizz RSS News Reader: A solid RSS reader.

7: TuneYou: Listen to your favorite radio stations online from all over the world. Explore all stations by location or genre according to your mood.

8: WebStickies: Sticky notes for the Internet.

9: Search Preview: SearchPreview enhances your search results pages by inserting site preview images (thumbnails) and popularity ranks into Google™ and DuckDuckGo™ search results.

10: Zoom: Zoom in or out on web content using the zoom button and mouse scroll wheel for more comfortable reading. That to each percent value. It helps you to zoom easily in and out a web page. Thanks to the slider and the zoom buttons.