aria2 is a lightweight multi-protocol & multi-source download utility operated in command-line. It supports HTTP/HTTPS, FTP, BitTorrent and Metalink. aria2 has built-in JSON-RPC and XML-RPC interface. You can manipulate aria2 via these interfaces.
Features
Multi-Connection Download
aria2 can download a file from multiple sources/protocols and tries to utilize your maximum download bandwidth. Really speeds up your download experience.
Lightweight
aria2 doesn't require much memory and CPU time. The physical memory usage is typically 4MiB (normal HTTP/FTP downloads) to 9MiB (BitTorrent downloads). CPU usage in BitTorrent with download speed of 2.8MiB/sec is around 6%.
Fully Featured BitTorrent Client
All features you want in BitTorrent client are available: DHT, PEX, Encryption, Magnet URI, Web-Seeding, Selective Downloads and Local Peer Discovery.
Metalink Enabled
aria2 supports The Metalink Download Description Format(aka Metalink v4). Old Metalink v3 is also supported. Metalink offers File verification, HTTP/FTP/BitTorrent integration and Configuration for language, location, OS, etc.
Usage
Command-line scares you off? No, aria2 is really easy to use!!
Download from WEB
Download from 2 sources
Download using 2 connections per host
BitTorrent
BitTorrent Magnet URI
E78D5C1ED359BB46717D8C'
Metalink
Download URIs found in text file
License
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
