Free download manager - a great IDM alternative.

Freedownload manger is a powerful download manager and torrent downloader.

BitTorrent support
Download files using BitTorrent protocol.
Enhanced audio/video files support
Preview audio/video files before download is completed and convert file format after download.
Download acceleration
Free Download Manager splits files into several sections and downloads them simultaneously, allowing you to use any type of connection at the maximum available speed. With FDM download speed increases, or even more!
Resuming broken downloads
When the downloading process is interrupted, you needn't start from the beginning again. Free Download Manager can resume broken download from where it was interrupted saving your time, nerves and money.
Smart file management and powerful scheduler
With FDM you can easily organize downloaded files by their type, placing them in predefined folders. A smart scheduler allows you to start and pause downloading files, as well as perform other actions (launch other applications, establish or hang up connection, etc.) at the set time.
Adjusting traffic usage
There are several traffic usage modes. You can adjust traffic usage for browsing the Internet and downloading files at the same time.
Multi language support
Free Download Manager is translated into 30 languages. Supported languages are: Macedonian, Serbian, Albanian, Croatian, Korean, Arabic, Brazilian Portuguese, Bulgarian, Chinese Traditional, Chinese, Czech, German, Dutch, French, Hebrew, Hungarian, Italian, Polish, Portuguese-Brazil, Romanian, Russian, Slovak, Spanish, Swedish, Turkish, Uzbek, Greek, Vietnamese, Slovenian, Persian.
Absolutely free and 100% safe
Free Download Manager is free, open-source software distributed under GPL license.