What's an audio/video downloader that extracts things other progra

[conceptualclarity]

...other programs can't extract?

I need something that will get what I'm not able to extract with the DownThemAll or Flash Video Downloader extensions or with Aiseesoft Video Downloader. I prefer freeware but I can do a trial on shareware.

I use Firefox and Maxthon browsers but have Slimjet from the Chromium family handy as well.

Edited October 21, 2014 by conceptualclarity

[Tripredacus]

Can you give examples of what can't be downloaded?

[conceptualclarity]

I'm sorry, I lost that before I got back to this post.