This free download manager is called . . . you guessed it, Free Download Manager (FDM). It works with Windows and Mac and can monitor and intercept downloads from web browsers, but can also work independently of them.
The browser integration works with Internet Explorer, Chrome, and Firefox.
You can create batch downloads, download torrents, preview ZIP files before they’re downloaded and even deselect files you don’t want from the compressed folder, download entire websites, resume broken downloads, download all links from the clipboard, and quickly control the bandwidth allocation for all downloads.
Downloads are performed in order of how they’re listed in FDM, but you can move files up or down the list to set their priority.
In addition to the above, you can preview and convert audio and video files before they’re finished downloading, as well as set traffic limits and schedule downloads to occur on certain days only.
Note: FDM Lite can also be downloaded, which requires less disk space than the regular version by removing things like the torrent client. If a download manager is all you’re after, this is the better choice.