The best replacement for downloader is flashget.

The best alternatives to downloader are rated as following:
★★★★★  flashget
★★★★  idm
★★★★  jdownloader
★★  real player
★★  realplayer
★  tubemate
★  free download manager
★  internet download manager
  free

Your alternative for downloader is not listed? Suggest!
Speaking about downloader, one probably shouldn't forget about software.

Other search terms related to downloader and their ratings are:
★★★★★ software
★ real player
You have in mind a companion for downloader and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of downloader in all years. Click on graph for more.
downloader
flashget
idm