aria2 is a download utility with resuming and segmented downloading.
Supported protocols are HTTP/HTTPS/FTP/BitTorrent; it also supports
MetaLink 3.0.
Some of its features:
* Command-line interface
* Download files through HTTP/HTTPS/FTP/BitTorrent
* HTTP Proxy support
* FTP through HTTP Proxy
* HTTP BASIC authentication support
* HTTP Proxy authentication support
* Segmented downloading
* Download speed throttling
* Upload speed throttling in BitTorrent
* Cookie support
* Load Cookies from file whose format is one used by Netscape and
Mozilla.
* Run as a daemon process.
* Selective download in multi-file torrent/metalink
* BitTorrent Fast extension support
* Multi-tracker support
* Metalink version 3.0 support(HTTP/FTP/BitTorrent)
* Chunk checksum validation in Metalink
* Can disable segmented downloading in Metalink
* netrc support
* Configuration file support
* Download URIs found in a text file or stdin
* Parameterized URI support
