FlashGot is Legendary Rated 5 out of 5 stars

FlashGot is my all time favorite. Use it with the Download Master freeware and you will find it very comfortable to surf and download without interruptions and lost files. I especially like the way it automatically shows and downloads mediastreams from most sites, except the treacherous RTMP-streams. But I use ClipGrab for YouTube, Vimeo and the likes, however.

This review is for a previous version of the add-on (