Instant.io vs aria2
When comparing Instant.io vs aria2, the Slant community recommends aria2 for most people. In the question“What are the best Torrent clients?” aria2 is ranked 5th while Instant.io is ranked 33rd. The most important reason people chose aria2 is:
Due to aria2 being a CLI only tool it uses very little memory.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Small memory footprint
Due to aria2 being a CLI only tool it uses very little memory.
Pro Supports multiple download protocols
Has support for lots of download protocols including BitTorrent, Metalink, HTTP, HTTPS and FTP.
Pro Remote control over simple standartized RPC
XML or JSON-based RPCs can be used to control aria2 remotely with both APIs completely documented. Simplest client that uploads torrent to be downloaded is 3 Python lines long (no 3rd-party libraries, only stdlib).
Run aria2c --help=#rpc
to see more.
Pro Third parties offer a clean web interface
Some web interfaces consist of pure HTML+JS, no server-side needed (except aria2c of course). It uses the same RPC that can work even over WebSockets.
Pro Free and open source
Cons
Con Not effective
Add a torrent and it gets stuck on log.
Con Bad UI
User interface is plain and cluttered.
Con Unable to Multi download torrents
Only single download supported.
Con No native graphical user interface
While there is a web-based GUI, there is no native interface.
Con No HTTP/2 support
While the developer of aria2 is developing nghttp2 library, aria2 has no support for http2.
Con Ugly interface
Con Confusing to use
