aria2
aria2.github.io
Spec sheet
- Purpose
- aria2 is a lightweight command-line utility for downloading files over multiple protocols and from multiple sources.Read 4 Oct 2026 · aria2.github.io
- Platforms
- The official site says source and binaries are available for OS X, Windows, and Android; the project describes itself as cross-platform.Read 4 Oct 2026 · aria2.github.io
- Security
- The project README says aria2 checks HTTPS server certificates by default and describes using a CA bundle when the system trust store is unavailable.Read 4 Oct 2026 · github.com
- License
- The program is free software under the GNU General Public License, version 2 or, at the user's option, any later version.Read 4 Oct 2026 · aria2.github.io
- BitTorrent
- BitTorrent features include DHT, PEX, encryption, magnet URIs, web seeding, selective downloads, local peer discovery, and UDP trackers.Read 4 Oct 2026 · aria2.github.io
- Integrity checks
- aria2 can validate download chunks using Metalink checksums and supports MD5 and SHA-family checksums for Metalink verification.Read 4 Oct 2026 · github.com
- Metalink
- Metalink support includes file verification and integration with HTTP, FTP, SFTP, and BitTorrent.Read 4 Oct 2026 · aria2.github.io
- Multi-source downloads
- It can download a file from multiple sources or protocols to use available bandwidth.Read 4 Oct 2026 · github.com
- Protocols
- It supports HTTP/HTTPS, FTP, SFTP, BitTorrent, and Metalink.Read 4 Oct 2026 · aria2.github.io
- Related integrations
- The project lists apt-metalink, powerpill, python3-aria2jsonrpc, and aria2.js as related projects, and webui-aria2 and uGet as frontends.Read 4 Oct 2026 · aria2.github.io
- Remote control
- The process can be controlled through JSON-RPC over HTTP or WebSocket and through XML-RPC.Read 4 Oct 2026 · aria2.github.io
- Resource use
- The official site reports typical physical memory usage of 4 MiB for normal HTTP/FTP downloads and 9 MiB for BitTorrent downloads when disk cache is off.Read 4 Oct 2026 · aria2.github.io
- Security releases
- The project says it may issue patch releases between regular releases to address security issues.Read 4 Oct 2026 · github.com
- Warranty
- The project README states that the program comes with no warranty and is used at the user's own risk.Read 4 Oct 2026 · github.com
Plans and prices
aria2 Free Free software under GNU GPL v2 or later · no paid tiers stated Read 4 Oct 2026 · aria2.github.io
Where Specifiction places it
- Cli Tools#5 of 328.4
- Download Manager Software#13 of 588.3
