Clone Download Killer is an internet tool help you check identify of
this URL before really download it. CDK would check the duplicate of
file name , file size and content snippet. CDK check files with very
high speed , in general , within 5 seconds you could see whether you
had download the file before . CDK also monitor the click in Internet
Explorer , as you click a file type like ".exe;.Zip;.Rar..." , I would
automatically check it .

Pause and resume downloads, get a huge list of files, and get everything in a site with GetBot - the free, no spyware download manager for Windows. GetBot is relentless, recovering broken downloads from errors and busy servers. Accelerate downloads with unlimited connections, even within a file. Download media that plays automatically in your browser. Get all the pictures on a page, or every video in an entire site. Find out more at getbot.com.

Download Accelerator Manager (DAM) is a tool for resuming and managing Internet downloads. It will recover broken downloads due to unexpected events or errors, such as lost connections, power outages, or network problems. DAM can get files from protected sites and support Web cookies, proxy, HTTP, HTTPS, and FTP protocols, and redirects. Plus, it integrates with Internet Explorer, Firefox , Netscape, Mozilla, Opera, and other browsers. It`s free!