Submitted by Arndt Stajta.
Since I switched from MS Internet Explorer to a serious browser, I've had only one regret: I've been missing the ability to handle "massive downloads" through a multithreaded, file splitting download manager.
In IE there was a "Download all with MyNice DownloadManager" menu item, which delivered every link on a web page to the download manager, ready to be choosen and downloaded in batch.
There was nothing like this on Mozilla/Firefox, so I decided to build my solution with my own hands... and it works pretty well (at least for me).
Now, after many releases, FlashGot is probably the most advanced form of browser integration for download managers, often better than the native one provided for IE, featuring: