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aria2 vs GNU Wget2: catalog facts
aria2	GNU Wget2
Free Free and open source under the GPL 2.0.	Free Free and open source under the GPL.
Windows, macOS, Linux, Android, Command line	macOS, Linux, Command line
Downloads one file from HTTP, FTP and BitTorrent sources at the same time Verifies Metalink chunk checksums while downloading, not after	Parallel connections and HTTP/2 make recursive mirroring much faster Keeps Wget's command line, so existing habits carry over
Command line only; every graphical interface is a separate project The option list is long and the defaults are conservative	Not a complete drop-in replacement; some Wget options are missing Packaged separately from wget, so it is not installed by default
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: GPL-3.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.