1 Gmail Offline lets you read and respond to emails offline
by storing emails as they are received on your computer. Emails written offline are delivered when online
2 Ad Block prevents pop-ups and spam sites from disturbing you. It also has a great selection of filter options and the ability to hide sections of certain pages.
3 FVD makes downloading video files through your browser easy. Once a video is detected on a webpage, click the FVD widget and a download link appears.