Subcategory: Download Managers
Platform: Android, Linux, OS X, UNIX-like, Windows
Programing language: C++
First release: February 16, 2006
Aria2 – a lightweight multi-protocol & multi-source command-line download utility. It supports HTTP/HTTPS, FTP, BitTorrent and Metalink. aria2 can be manipulated via built-in JSON-RPC and XML-RPC interfaces. Aria2 is primarily written in C++. Initially it was written based on C++98/C++03 standard 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. When disk cache is off, 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, Local Peer Discovery and UDP tracker.
– Metalink Enabled. aria2 supports The Metalink Download Description Format (aka Metalink v4), Metalink version 3 and Metalink/HTTP. Metalink offers the file verification, HTTP/FTP/SFTP/BitTorrent integration and the various configurations for language, location, OS, etc.
– Remote Control. aria2 supports RPC interface to control the aria2 process. The supported interfaces are JSON-RPC (over HTTP and WebSocket) and XML-RPC.