GNU Wget is a free software package for retrieving files using HTTP(S) and FTP, the most widely-used Internet protocols. It is a non-interactive command line tool, so it may easily be called from scripts, cron jobs, terminals without X-Windows support, etc.
aria2 is a multi-protocol & multi-source, cross platform download utility.
aria2 can download a file from multiple sources/protocols and tries to utilize your maximum download bandwidth. It supports downloading a file from HTTP(S)/FTP and BitTorrent at the same time, while.
Multi-connection command line tool to download Internet sites. Similar to wget and cURL, but it manages up to 50 parallel links. Main features are: recursive fetching, Metalink retrieving, segmented download and image filtering by width and height.Discontinued
The project is no longer developed. Last version, 0.7.0, released in January 2013, can be still downloaded from SourceForge
Wget2 works multi-threaded and uses many features to allow fast operation.
In many cases Wget2 downloads much faster than Wget1.x due to HTTP2, HTTP compression, parallel connections and use of If-Modified-Since HTTP header.This app doesn't have any features at the moment.